Feature: 1. Advanced: The presence sensor adopts microwave radar induction technology, which can realize intelligent light control and energy saving by detecting human movement, micromovement and breathing. 2. Adjustable: Human detection switch detection distance, ambient light, delay time can be adjusted according to your actual needs, high sensitivity, in order to bring more convenience. 3. Energy Saving: This switch can significantly reduce your energy consumption by ensuring lights are only on when needed. This not only conserves energy but also helps to reduce your electricity bills. 4. Strong Material: The presence sensor is made of plastic, not easy to age, durable, can withstand a variety of adaptive environment, easy to install and use. 5. Wide Applications: It can be installed on walls, ceilings and anywhere in the house, and ideal for various spaces like the bathroom, laundry room, garage, or basement. Specification: Item Type: Millimeter Wave Presence Sensor Working Voltage: AC220V/50HZ/110V/60HZ Controlled Power: 500W Detection Distance: 100%/75%/50%/25% (Selectable) Delay Time: 5S/30S/1MIN/3MIN/5MIN (Selectable) Start Illumination: 5 illumination/24H (Selectable) Controlled Load: LED lights and various loads Installation Aperture Diameter: Approx. 50mm / 2in . Package List: 1 x Millimeter Wave Presence Sensor 2 x Mounting Clips