Key Features . 300 lumens cover up to 300 square feetMotion activated from 18 feet and 140 degrees angle of detection20-second auto shut off to help prolong battery lifeWireless installation takes less than 5 minutes with the included mounting hardware4 D-cell batteries provide 1 year of light with average use of 8 activations a day (batteries not included)IPX4 rated for outdoor useThe unique diffuser on the face of the light creates a pleasing light pattern and balanced coverage . Instant Convenience with Even Brighter Light Mr Beams UltraBright LED Ceiling Light offers new innovative features in a modern design to provide safety and convenience anywhere in your home. The motion-activated battery life provides 300 lumens of light - the brightest indoor light in the Mr Beams line - to easily light large closets showers and sheds. Bright LED Light The UltraBright LED Ceiling Light provides 300 lumens of bright automatic light to increase safety and convenience in large dark areas. The motion-activated battery light detects motion from 18 feet away and automatically shuts off 20 seconds after motion stops to prolong battery life. Clean Modern Design The motion ceiling light was designed to complement any home decor. The fixture\'s clean housing allows it to blend with its surroundings while adding a modern touch. The unique diffuser on the face of the light spreads the light for a wider coverage area allowing it to light larger areas such as closets showers sheds pantries and hallways. Wireless Installation Easily install the UltraBright LED Ceiling Light anywhere light is needed. Its weatherproof housing allows it to be used as a wireless shed light or automatic closet light. The battery-powered light installs in less than 5 minutes with the included screws - no wires or electrician needed. .