Acctim rhea wall clock in green powered by 1 AA battery. Features: Operates with quartz movement Non ticking sweep seconds hand 290mm diameter Plastic case and glass lens Requires 1 X AA battery (Not included) Specifications: Dimensions: H:29.0 x W:29.0 x D:6.8 cm Colour: Green Guarantee:2 years Batteries Required: Yes Material: Plastic Model Number: CK2855