No need to take a flashlight or find stuffs in dark, just need to open the door, you will find the things you want conveniently. Open the door, the light switch on. Close the door, the light will switch. Easy to install and convenient to use, install within 2 min, change battery in about 30 seconds. After installing it on your cabinet hinge with battery, it will lighten up all cabinet when you open the cabinet door. Can be used in your home, kitchen,ice or hotels cabinet, closet, cupboard or wardrobe with hinge. Made of high-quality ABS material, environmental-friendly, sturdy and durable to use. Compact size, lightweight, sturdy and durable to use. Its really a practical cabinet light. Material: ABS Plastic + LED Weight: 13.1 g (without battery) Cabinet Hinge Light Color: Gray LED color: Cold White, Warm White Powered by: 1 x 23A 12V battery (not included) Wattage:0-5W Lifespan: 50000 Hours 1 xSmart Cupboard Hinge Sensor LED Light ( Battery not included )