This mains-powered analogue wall clock incorporates an internal ni-cad battery to maintain settings during power outages. 300mm dial with large clear numerals with easy to see hour, minute and second hands. The motor casing on the back includes a 55cm length cord which can easily be hard-wired into mains power by an electrician. The convex shatter-proof lens complies with Australian food and safety regulations and allows for easy viewing from all angles. Can be viewed up to 20 metres distance. DIAMETER: 300 mm DEPTH: 40 mm WEIGHT: 560 g POWER SUPPLY: 120 TO 240V. AC ~50/60Hz