The Uni-Com Sensor Night Lightprovides a soft white light which automatically switches on when movement is detected. The mini PIR sensor detects movement within a range of 3 metres by 120 degreesand switches the light on for 20 seconds. If no further movement is detected the light then switches off.The 4 long life LEDs provide soft cool white illumination for reassuring comfort and safety and the night light is ideal for bedrooms, hallways and use all around the home.Simple to use, just plug it into a 13A mains socket and switch the power on.