Features: This product is a energy-saving light switch with high sensitivity detector. It uses microwave radar as a control signal source to detect human movement. When someone enters the detection zone, light will turn on immediately. It supports sensor distance and time delay setting, convenient to use. Radar scanned signal can penetrate plastic, glass, ceiling, wooden door, and thin wall. Easy to install, suitable for LED lights, incandescent bulb, energy saving lamp. Great for closet, basement, laundry room, garage, bathroom, aisle and stairs. Specifications:Name: Microwave SensorInstallation Method: indoor, ceiling HFSystem: 5.8HZ+/-75MHZCW radarColor: White Type 1: SK-807K-DCInput: 12-24V DCFrequency: 5.8GHzTransmission power: < 0.5WPower Comsumption: 0.9WLoad: 7A(MAX)Sensing Angle:360 degreeTime Delay: 10 Seconds to 30 Seconds.Sensing Distance: 1M-8MPhotosensitive Setting: 10-500LuxOperating Temperature: -35to+80Size: Approx. 90 x 41 x 39mm / 3.54'' x 1.61'' x 1.53''Package Weight: Approx. 82gType 2: SK-600Power frequency: 50/60 HzPower Comsumption: 0.9WTransmission power: < 0.2mWPower Loading: 1200WSensing Angle: 360 degreeTime Delay: 10 Seconds to 30 Seconds.Sensing Distance: 2M-10MPhotosensitive Setting: 10-2000LuxOperating Temperature: -35to+80Size: Approx. 89 x 41 x 42mm / 3.5'' x 1.61'' x 1.65''Package Weight: Approx. 84gType 3: SK-700Power frequency: 50/60 HzPower Comsumption: 0.9WTransmission power: < 0.2mWPower Loading: 1200WSensing Angle: 360 degreeTime Delay: 8 Seconds to 12 MinutesSensing Distance: 1M-8MPhotosensitive Setting: 5-2000LuxOperating Temperature: -15to+70Size: Approx. 95 x 42mm / 3.74'' x 1.65''Package Weight: Approx. 133g Package Included: 1 x Light Switch.