What is this?Automatic sensor switch with high sensitivity detector, uses infrared rays for human movement to control lamps on or off in a variety of public places like stairs, garages, bathrooms, buildings, etc.What will I get?Color: GrayMaterial: Plastic, CopperFunction: ON-OFFWire Length: 90mmVoltage: AC110-240VPower(Max): 200WDetection Distance: 4-5MO-ring Size: 18*2.4mm (OD*T)Nut Size: 14.8*20mm (ID*W)Overall Size: 160*50*57mm(L*W*H)Package Content: 1 x Motion Sensor SwitchIs there any advantages of the product?Practical light switch features with energy-saving, low-heat, low-power, sensitive and stable performance. Easy to install, can identify day and night automatically.How to use it?There are 3 settings for your needing adjustment : SUN/MOON is to adjust working all the day or only at night; TIME is to adjust the delay range time of the sensor; SENS is to adjust the sensitivity of the sensor.What should I notice?Please adjust the sensor functions according to the using place to achieve the expected work.