No programming required Simply plug into any 13A mains socket Plug-through design Built-in dusk to dawn sensor for automatic operation Automatically turns on in darkness and off in daylight 3 long-life LEDs for soft white illumination Provides comfort and safety during night hours Ideal for bedrooms, hallways, and general home use Dimensions (H x W x D): 112 x 56 x 41mm Unicom Plug Through Night Light with Dusk to Dawn Sensor The Uni-Com Night Light requires no programming, you simply plug it into any 13A mains socket and turn the power on. Its plug-through design also leaves the socket free for other appliances. The built-in dusk to dawn sensor ensures the light will only illuminate in hours of darkness and it will automatically turn off when daylight is detected. The 3 long-life LEDs provide soft white illumination for reassuring comfort and safety and is perfect for bedrooms, hallways and use all around the home.