Meross MSS510X - Meross Smart Switch Wiring; LED and Button Functionality; Status LED Indicators; Power Button Operations

LED and Button Rules
Status LED
Flashing amber and green
Configuration mode.
Flashing amber and green
rapidly:
Wi-Fi connecting mode.
Power Bunon
Press to turn the Wall Switch ON or OFF.
Press and hold (for 5 seconds) until Status LED flashes
amber and green rapidly to initiate factory reset process.