1, 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: 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: 200-240VAC, 50/60Hz Module: Time Relay Module Model: NK-B/E277 Standby Current: 0.5mA Environmental Temperature: -40℃-and70℃ Service Time: ＞5000 cycles Light Sensitivity: 5-10LX On,40-80LX Off Load Capacity: 800W filament lamp; Or 1000W ballast Size: Approx. 52 x 43 x 28mm / 2.05 x 1.69 x 1.10 inch Wire connection: White wire and Black wire(Input) White wire and Red wire (Output) The white wire is public line. Package Includes: 1 x Photoelectric Switch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store