Radio Controlled Wall clock ( MSF, UK & Ireland Version ), Automatic time change for Spring & Autumn and automatic time checks With world famous Shengbang Step MSF Energy A++ efficient Radio Controlled movement. Silver Plastic Frame with clear Glass Lens , 25cm / 10-Inch Diameter White Dial with Black Numbers and black and red Hands Clock Size: 25.3 x 25.3 x 4 cm / Requires 1 x AA Battery (not included).