This light is easy to install with no electricity required. Simply press down on the light to switch on & off. It is ideal for use in awkward dark corners, under stairs, cupboards etc. It requires 4 x AA batteries which are not supplied & can be attached using a screw, again not supplied. It is not suitable for use with rechargeable batteries. Approx size 14cm. Features: Kingavon Multi-Purpose Large LED Push Light, White. Ideal for illuminating dark cupboards, wardrobes, garages and sheds. Integrated hanging keyhole to hang off screw. Push front light to turn on or off. Bulb Type: 1 long life LED, non-replaceable. Dimensions: Depth - 5cm, Diameter - 14cm. Batteries Required: 4 x AA (not included). Ideal for use in cupboards, under stairs, sheds, electric cupboards, garages, wardrobes, camper vans and caravans, dark corners or any where some light is needed regularly! Easy and fast: Simply press the unit to switch on and off. Why struggle with the darkness. Portable as no electricity is required for this easy to use touch light, runs on 4 x AA Batteries (not included). Compact size fits easily in most locations, not obtrusive. Approx Diameter: 14cm. Could also be used on a bedside table top or night light - ideal for kids/children's rooms too!