3 Wires Electric Relay Body Motion Sensor Switch Automatic Light Control: This switch can be set to operate in day and night mode or nightonly mode, providing convenient automatic lighting control. 360degree Detection: With a 360degree detection angle and motion sensitivity adjustable up to 8 meters, it delivers comprehensive motion sensing for reliable coverage and security. Compact and Lightweight: The small, lightweight design fits into tight spaces and simplifies installation. Load Capacity: Rated to 1200W, it can control a wide range of lighting loads with dependable performance. Easy to use and install: Designed for simple wiring with 3 wires, suitable for standard lighting circuits. Practical applications Hallways and stairs: Motionactivated lighting for improved safety and energy efficiency as you move through these areas. Closets, pantries, and small rooms: Automatically illuminates when you enter, reducing the need to search for switches. Garages and workshops: Hands lighting for quick tasks, with capacity to handle common lighting loads up to 1200W.