diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index b5e2dbf..f1ca52b 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -38,6 +38,159 @@ version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
 
+[[package]]
+name = "async-attributes"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3203e79f4dd9bdda415ed03cf14dae5a2bf775c683a00f94e9cd1faf0f596e5"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-channel"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf46fee83e5ccffc220104713af3292ff9bc7c64c7de289f66dae8e38d826833"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17adb73da160dfb475c183343c8cccd80721ea5a605d3eb57125f0a7b7a92d0b"
+dependencies = [
+ "async-lock",
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-global-executor"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1b6f5d7df27bd294849f8eec66ecfc63d11814df7a4f5d74168a2394467b776"
+dependencies = [
+ "async-channel",
+ "async-executor",
+ "async-io",
+ "async-lock",
+ "blocking",
+ "futures-lite",
+ "once_cell",
+]
+
+[[package]]
+name = "async-io"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c374dda1ed3e7d8f0d9ba58715f924862c63eae6849c92d3a18e7fbde9e2794"
+dependencies = [
+ "async-lock",
+ "autocfg",
+ "concurrent-queue",
+ "futures-lite",
+ "libc",
+ "log",
+ "parking",
+ "polling",
+ "slab",
+ "socket2",
+ "waker-fn",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "async-lock"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8101efe8695a6c17e02911402145357e718ac92d3ff88ae8419e84b1707b685"
+dependencies = [
+ "event-listener",
+ "futures-lite",
+]
+
+[[package]]
+name = "async-process"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6381ead98388605d0d9ff86371043b5aa922a3905824244de40dc263a14fcba4"
+dependencies = [
+ "async-io",
+ "async-lock",
+ "autocfg",
+ "blocking",
+ "cfg-if 1.0.0",
+ "event-listener",
+ "futures-lite",
+ "libc",
+ "signal-hook",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "async-std"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62565bb4402e926b29953c785397c6dc0391b7b446e45008b0049eb43cec6f5d"
+dependencies = [
+ "async-attributes",
+ "async-channel",
+ "async-global-executor",
+ "async-io",
+ "async-lock",
+ "async-process",
+ "crossbeam-utils",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-lite",
+ "gloo-timers",
+ "kv-log-macro",
+ "log",
+ "memchr",
+ "once_cell",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+ "wasm-bindgen-futures",
+]
+
+[[package]]
+name = "async-stream"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22068c0c19514942eefcfd4daf8976ef1aad84e61539f95cd200c35202f80af5"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25f9db3b38af870bf7e5cc649167533b493928e50744e2c30ae350230b414670"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-task"
+version = "4.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a40729d2133846d9ed0ea60a8b9541bccddab49cd30f0715a1da672fe9a2524"
+
 [[package]]
 name = "atk"
 version = "0.15.1"
@@ -62,6 +215,12 @@ dependencies = [
  "system-deps 6.0.3",
 ]
 
+[[package]]
+name = "atomic-waker"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "065374052e7df7ee4047b1160cca5e1467a12351a40b3da123c870ba0b8eda2a"
+
 [[package]]
 name = "attohttpc"
 version = "0.22.0"
@@ -117,6 +276,20 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "blocking"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c67b173a56acffd6d2326fb7ab938ba0b00a71480e14902b2591c87bc5741e8"
+dependencies = [
+ "async-channel",
+ "async-lock",
+ "async-task",
+ "atomic-waker",
+ "fastrand",
+ "futures-lite",
+]
+
 [[package]]
 name = "bmp"
 version = "0.5.0"
@@ -322,6 +495,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "concurrent-queue"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd7bef69dc86e3c610e4e7aed41035e2a7ed12e72dd7530f61327a6579a4390b"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -597,6 +779,7 @@ dependencies = [
  "futures",
  "hex",
  "image",
+ "mdns",
  "once_cell",
  "paris",
  "rumqttc",
@@ -613,6 +796,16 @@ dependencies = [
  "webp",
 ]
 
+[[package]]
+name = "dns-parser"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4d33be9473d06f75f58220f71f7a9317aca647dc061dbd3c361b0bef505fbea"
+dependencies = [
+ "byteorder",
+ "quick-error",
+]
+
 [[package]]
 name = "dtoa"
 version = "0.4.8"
@@ -655,6 +848,26 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "err-derive"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22deed3a8124cff5fa835713fa105621e43bbdc46690c3a6b68328a012d350d4"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "event-listener"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+
 [[package]]
 name = "exr"
 version = "1.5.2"
@@ -812,6 +1025,21 @@ version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00f5fb52a06bdcadeb54e8d3671f8888a39697dcb0b81b23b55174030427f4eb"
 
+[[package]]
+name = "futures-lite"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7694489acd39452c77daa48516b894c153f192c3578d5a839b62c58099fcbf48"
+dependencies = [
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
+]
+
 [[package]]
 name = "futures-macro"
 version = "0.3.25"
@@ -1085,6 +1313,18 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "gloo-timers"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98c4a8d6391675c6b2ee1a6c8d06e8e2d03605c44cec1270675985a4c2a5500b"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "gobject-sys"
 version = "0.15.10"
@@ -1423,6 +1663,15 @@ dependencies = [
  "selectors",
 ]
 
+[[package]]
+name = "kv-log-macro"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
+dependencies = [
+ "log",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1485,6 +1734,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
  "cfg-if 1.0.0",
+ "value-bag",
 ]
 
 [[package]]
@@ -1559,6 +1809,22 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
+[[package]]
+name = "mdns"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c769962ac75a6ea437f0922b27834bcccd4c013d591383a16ae5731e3ef0f3f3"
+dependencies = [
+ "async-std",
+ "async-stream",
+ "dns-parser",
+ "err-derive",
+ "futures-core",
+ "futures-util",
+ "log",
+ "net2",
+]
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -1659,6 +1925,17 @@ dependencies = [
  "jni-sys",
 ]
 
+[[package]]
+name = "net2"
+version = "0.2.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74d0df99cfcd2530b2e694f6e17e7f37b8e26bb23983ac530c0c97408837c631"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "new_debug_unreachable"
 version = "1.0.4"
@@ -1911,6 +2188,12 @@ version = "1.5.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2eaf2319cd71dd9ff38c72bebde61b9ea657134abcf26ae4205f54f772a32810"
 
+[[package]]
+name = "parking"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "427c3892f9e783d91cc128285287e70a59e206ca452770ece88a76f7a3eddd72"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -2124,6 +2407,20 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "polling"
+version = "2.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22122d5ec4f9fe1b3916419b76be1e80bcb93f618d071d2edf841b137b2a2bd6"
+dependencies = [
+ "autocfg",
+ "cfg-if 1.0.0",
+ "libc",
+ "log",
+ "wepoll-ffi",
+ "windows-sys 0.42.0",
+]
+
 [[package]]
 name = "pollster"
 version = "0.2.5"
@@ -2192,6 +2489,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "quick-error"
+version = "1.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
+
 [[package]]
 name = "quick-xml"
 version = "0.23.1"
@@ -2780,6 +3083,16 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "signal-hook"
+version = "0.3.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a253b5e89e2698464fc26b545c9edceb338e18a89effeeecfea192c3025be29d"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.0"
@@ -2942,6 +3255,18 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.12.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "unicode-xid",
+]
+
 [[package]]
 name = "system-deps"
 version = "5.0.0"
@@ -3505,6 +3830,12 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fdbf052a0783de01e944a6ce7a8cb939e295b1e7be835a1112c3b9a7f047a5a"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"
@@ -3550,6 +3881,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "value-bag"
+version = "1.0.0-alpha.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2209b78d1249f7e6f3293657c9779fe31ced465df091bbd433a1cf88e916ec55"
+dependencies = [
+ "ctor",
+ "version_check",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -3574,6 +3915,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "waker-fn"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
+
 [[package]]
 name = "walkdir"
 version = "2.3.2"
@@ -3784,6 +4131,15 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
 
+[[package]]
+name = "wepoll-ffi"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d743fdedc5c64377b5fc2bc036b01c7fd642205a0d96356034ae3404d49eb7fb"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index ee9e59c..69a62c8 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -34,6 +34,7 @@ color_space = "0.5.3"
 futures = "0.3.25"
 either = "1.8.0"
 image = "0.24.5"
+mdns = "3.0.0"
 
 [features]
 # by default Tauri runs in production mode
diff --git a/src-tauri/src/core/core.rs b/src-tauri/src/core/core.rs
index 931a854..9e25c2c 100644
--- a/src-tauri/src/core/core.rs
+++ b/src-tauri/src/core/core.rs
@@ -3,7 +3,7 @@ use once_cell::sync::OnceCell;
 use paris::{error, info};
 use serde::{Deserialize, Serialize};
 
-use std::{collections::HashMap, sync::Arc, time::Duration};
+use std::{collections::{HashMap, HashSet}, sync::Arc, time::Duration};
 use tauri::async_runtime::RwLock;
 use tokio::{
     sync::mpsc,
@@ -108,6 +108,25 @@ impl CoreManager {
             futs.push(fut);
         }
 
+        let total_colors_count = configs
+            .iter()
+            .flat_map(|c| {
+                vec![
+                    c.led_strip_of_borders.top,
+                    c.led_strip_of_borders.bottom,
+                    c.led_strip_of_borders.left,
+                    c.led_strip_of_borders.right,
+                ]
+            })
+            .flat_map(|l| match l {
+                Some(l) => (l.global_start_position.min(l.global_end_position)
+                    ..l.global_start_position.max(l.global_end_position))
+                    .collect(),
+                None => {
+                    vec![]
+                }
+            }).collect::<HashSet<_>>()
+            .len();
         tokio::spawn(async move {
             let mut global_colors = HashMap::new();
             while let Some(screenshot) = rx.recv().await {
@@ -127,7 +146,7 @@ impl CoreManager {
                     start_at.elapsed()
                 );
 
-                if global_colors.len() == 60 {
+                if global_colors.len() >= total_colors_count {
                     let mut colors = vec![];
                     for index in 0..global_colors.len() {
                         colors.push(*global_colors.get(&index).unwrap());
diff --git a/src-tauri/src/picker/manager.rs b/src-tauri/src/picker/manager.rs
index 75c9726..5ccd375 100644
--- a/src-tauri/src/picker/manager.rs
+++ b/src-tauri/src/picker/manager.rs
@@ -27,11 +27,13 @@ impl Picker {
 
         SCREEN_COLOR_PICKER
             .get_or_init(|| async {
+                let configs = config::Manager::global().get_config().await.display_configs;
+                info!("Global Picker use configs. {:?}", configs);
                 Picker {
                     screens: Arc::new(Mutex::new(vec![])),
                     screenshots: Arc::new(Mutex::new(vec![])),
                     display_configs: Arc::new(Mutex::new(
-                        config::Manager::global().get_config().await.display_configs,
+                        configs,
                     )),
                 }
             })
@@ -39,12 +41,12 @@ impl Picker {
     }
 
     pub async fn list_displays(&self) -> anyhow::Result<Vec<ScreenshotDto>> {
-        let mut configs = self.display_configs.lock().await;
+        let mut configs = vec![];
 
         let displays = Display::all()
             .map_err(|error| anyhow::anyhow!("Can not get all of displays. {}", error))?;
 
-        configs.clear();
+        // configs.clear();
         let mut futs = FuturesUnordered::new();
 
         for (index, display) in displays.iter().enumerate() {