diff --git a/hardware-specifications/README.md b/hardware-specifications/README.md
index 9692917..cffe6e4 100644
--- a/hardware-specifications/README.md
+++ b/hardware-specifications/README.md
@@ -7,3 +7,16 @@
 - **Night vision:** 850nm IR LED (up to 30ft)
 - **Wireless Protocol:** IEEE 802.11 b/g/n, 2.4GHz
 - **Adapter output:** 9V, 0.6A, DC Power
+
+### Led indication
+
+- **Solid red:** Starting up
+- **Blinking red and green:** Ready for setup
+- **Blinking red slowly:** Connecting to Wi-Fi
+- **Solid amber:** Connected to Wi-Fi
+- **Solid green:** Connected to Tp-Link Cloud server
+- **Blinking red quickly:** Camera resetting
+- **Blinking green quickly:** Camera updating
+
+### Reset button
+Press and hold the reset button for at least 5 seconds until the LED blinks red. The camera will reset and reboot.