Acctim caleb smartlite sweep alarm clock in green powered by 2 AA batteries. Features: Alarm clock with snooze function Smartlite function - all night backlight with on/off switch Non ticking sweep seconds hand Requires 2 X AA batteries (Not included) Specifications: Dimensions: H:10.2 x W:10.0 x D:3.8 cm Colour: Green Guarantee:2 years Batteries Required: Yes Material: Plastic Model Number: CK6075