【Note】: The function is limited to opening and closing. It cannot be dimmed or used as a two-way switch, there is no WIFI function, and it is not compatible with Alexa. A neutral wire is not required. When installing, distinguish the front and back of the iron plate. Make sure the power is off before installing the panel. 【Usage Range】: Maximum load: 3-300W / LED inductive load per group for refrigerators, air conditioners, fans, etc. 500W / resistive load per group for electric cookers, induction cookers, kettles, etc. 【Wiring Instructions】: 1 connection terminal to group "L 1", 2 connection terminals to group "L 2", 3 connection terminals to group "L 3". The "L1", "L2", and "L3" positions refer to the bulb control. 1-Way means you can only turn the lights on or off in one spot. 【High Safety】: The high-quality tempered glass panel not only offers excellent scratch resistance and touch sensitivity, but also fire and water resistance, ensuring the safety of you and your family.