Functions include:Dual function, allowing connection to lamp and AC motor fan. The backlight brightness can be adjusted by the tuya application for optimal comfort. Press and hold anywhere for 7 seconds to easily reset . The child lock function ensures safety and prevents accidental operation by children. Press any button five times in succession to unlock it. This smart switch not only provides convenience, but also improves the safety and comfort of home. It is very suitable for modern families who want to upgrade their home automation system., Manufacturer: PokFhgur