Totelec day/night photocell switch the product is new energy saving device, it can turn on or turn off light by automatically according to ambient-light. It can control the load working at night it can use load light garden lights, etc the light intensity can be adjusted to suit your need by easy accessible knob. The attached load will be automatically turned off when the set light lux is reached & turn on when the light becomes darker ( low light condition ) life: More than 5 years use: Street light, garden lights, incandescent lamp, led lights and all other kinds of lamps. Quality control standards: Operating volt: Ac 220-250v 50hz-60hz. Rated current:10 amp ambient light: 5-50 lux (adjustable) working temp: -20 to 40 degree connection wiring: Brown:Line blue:Neutral red: Load package includes: 1 x phocell module / day night sensor 1 x installation manual 2 x mounting screw 1 x mounting plate.