Our touch operated cupboard lights are so easy to use. Simply touch the 2 metal contacts to illuminate, and push the clear casing to tilt the LEDs. With 4 super bright white LEDs in each light, you can expect around 100 hours illumination from each set of 3 x AAA batteries (not included), before they will need to be changed. With a detachable back place that has 3M stick pads, you can easily change the batteries and keep your backing on the wall or shelf. They're perfect as a battery powered shed light or for under the stairs. 17.5cm Length, 4.5cm Width 3 x AAA Batteries (sold separately) Detachable Back With 3M Sticky Pads