Energizer Sensor LED Light, including 3 AAA batteries Length: 25.0 cm Weight: 180 g Moving in the dark activates the light from the Energizer Sensor Sensor LED Light. The operation is with 3 AAA batteries, which are already included. Thus, the weatherproof lamp can be mounted anywhere in the house without annoying cables and of course outside. The lamp part with the 4 LEDs can be removed so that it can also be used as a flashlight.