diff --git a/README.md b/README.md
index 2739639..8ac59fe 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,40 @@
 
 Credits to microsocket/CP5200 https://github.com/microsocket/CP5200.git (page not found)
 
+# Parameters
+```json
+{
+    "ip" : "192.168.0.0",
+    "type" : "0/1",
+    "text" : "test",
+    "stayTime" : "[0-99]"
+}
+```
+1. IP - your local IP
+2. type - types of effects 
+    1. textData - static text display on LED and wont goes off till restart LED
+    2. instantMessage - timing text display based on the "stayTime"
+3. text - any string
+4. stayTime - only for instantMessage [0-99]
 
+# MIT license
+
+Copyright (c) 2020 Alvin Lai alvin30595@hotmail.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.