Specifications: Easy to install and use. To turn on or turn off the light by day and night without manual intervention. Widely used in street light, highway, plants, garden, ports, airports, farm, parks, schools, and other places. It also can adapt solar lamps and lanterns, cars, motorcycles, electric cars and other power supply voltage is 220V. Type: Auto Light Sensor Switch Quantity: 1 Pc Input Voltage: DC 12V Rated Voltage: 220V Max. Load Current: 10A Load Power: 2200W Delayed Off Time: 0.1S Frequency: 50 - 60Hz Sensing Principle: Light Control Sensing Range 10M Features: Useful, Auto On Off, Convenient to Use, Light Sensor Size (H x L x W): 4.3cm x 4.2cm x 3.5cm/1.69" x 1.65" x 1.38" (Approx.) Notes: Do not install the control unit in an extremely darker place during the day or a place directly from light to turn-on lamp. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Auto Light Sensor Switch