1、Brand new photoelectric switch with automatic illumination detection circuit, and it will shut down during the day and open during the night automatically. 2、Perfect for wiring into a lamp or lighting system requiring photoelectric automation. 3、Easy to install, it can work with most types of light lamps, such as LED, incandescent, halogen and fluorescent bulb, etc. 4、Makes your lighting is only used when it should be. Helps to increase energy efficiency and bulb life by reducing daily operating life. 5、Widely used for outdoor lighting, controls driveway and walkway lighting, post lamps, pole lanterns, entry way porch lights. Features: Brand new photoelectric switch with automatic illumination detection circuit, and it will shut down during the day and open during the night automatically.  Perfect for wiring into a lamp or lighting system requiring photoelectric automation. Easy to install, it can work with most types of light lamps, such as LED, incandescent, halogen and fluorescent bulb, etc. Makes your lighting is only used when it should be. Helps to increase energy efficiency and bulb life by reducing daily operating life.  Widely used for outdoor lighting, controls driveway and walkway lighting, post lamps, pole lanterns, entry way porch lights. Specification: Voltage range: 80VAC-277VAC, 50/60Hz Module: Electronic Module Model: NK-B/E277 Standby Current: 0.5mA Environmental Temperature: -40℃~+70℃ Service Time: ＞5000 cycles Light Sensitivity: 5-10LX On,40-80LX Off Load Capacity: 120V 400W, 220V 800W Size: Approx. 52*43*28mm / 2.05* 1.69* 1.10 inch Wire connection: White wire + Black wire(Input) White wire + Red wire (Output) The white wire is public line. Package Includes: 1 * Photoelectric Switch