Aqara Dimmer Switch H2 EU is based on the Thread wireless communication protocol and can work with or without a Neutral wire. It is compatible with a variety of lamps, including incandescent lamps, halogen lamps, dimmable LEDs and dimmable CFLs. Users can switch between the forward phase and reverse phase dimming mode based on load type to achieve brightness adjustment and switch control. It allows for remote control via the app, scheduling, power monitoring, power statistics, and other functions. Additionally, it can be used with other smart devices to achieve various interconnected control effects.