This pack of 3 are best suited for under cupboards or shelves where you need instant light. Each light comes with a high-grade sticky pad that works best on a smooth and clean surface. Consisting of 4 warm white LEDs you'll find these brushed silver Zap lights give a narrow beam of light, so perfect for accent lighting in your kitchen or bathroom. 6.5cm Diameter Requires 3 x AAA batteries (sold seperately) Probably the best value set of utility lights we offer, these Zap push lights are so simple to use and work superbly well. The Zap push light gives a natural and warming colour, unlike the cooling tones of others. Each light requires 3 x AAA batteries and you can expect up to 100 hours of light before they will need changing. Once applied to your shelf or cupboard, simply twist the body anti-clockwise and you have easy access to swap your batteries.