IKEA - DIODER Battery-Operated Lamp for Drawers Length: 11 " Batteries are sold separately, 6 pcs LR03 AAA 1.5V required. Built-in LED light bulb. LED life time approx. 20,000 hours. Light color; warm white (2700 Kelvin). LED emits low heat and can be used in narrow spaces such as drawers, shelves and wardrobes. Sensor application light; lights up for 15 seconds when you open the drawer and goes out 5 seconds after you close it.