Acctim sweeper smartlite alarm clock in black powered by 3 AA batteries. Features: Smartlite feature - automatically illuminates the display at night for easy viewing and turns off in the day to prolong battery life Crescendo alarm Snooze function Non ticking sweep seconds hand Requires 3 X AA batteries (Not included) Specifications: Dimensions: H:10.1 x W:9.8 x D:6.4 cm Colour: Black Guarantee:2 years Batteries Required: Yes Material: Plastic Model Number: CK1563