★【 Large and Easy to Read from Distance 】: 22 inch in Diameter. Large size allows everyone to see this stylish clock from far distance. (Hour hand length = Minute hand = ) ★【 Silent Clock Movement Mechanism】: No ticking sound at night gives you a sweet dream through the whole night. 1 x AA battery for operation, not included. (Update: Both Alkaline and Carbon Zinc batteries are compatible for the movement) ★【 Tool Free Easy Installation 】: No Drilling and No Tool Required. Simply find a spot for the wall hook, then follow the installation guide included for consumers to unfold and follow the pre-cut patterns to Peel & Stick Hour Markers (12 pieces) on the wall. Just that simple and easy! ★【Innovative Design Structure - Good Design Award 】: Wall hook with 3M VHB Heavy Duty tape and magnet allow consumers to avoid drilling the wall and keep the clock on the wall firmly. Reliable magnet keeps clock's center module connected to the wall hook stably and makes it easy to be taken down for battery replacement in a second ★【Bring Your Wall To Life - Creative & Stylish】: Fun and easy way to add a modern wall clock to any clock making projects. The center module by itself can be used separately to customize your own style of wall clock and suitable for quartz clock repairing or replacement. ※FEATURES : Product Name ▪ PresenTime & Co 2nd Gen DIY Clock - Light Gray Oak Style Material ▪ Aluminium & ABS Plastic Movement ▪ Sweep Quartz Movement. Size ▪ 22 inch (56 cm) Power ▪ 1 AA battery for operation, not included.