Large and Scalable Size Easy to Read from Distance : 22 inch in Diameter. Large size allows everyone to see this stylish clock from far distance. Enjoy the Silence- Accurate & Quiet Sweeping Quartz Movement : 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 Zincbattery are okay to power this clock) Installation Has Never Been This Easy and Fast : No Drilling and No Tool Required. Find the center spot you wish to put the wall hook, Everything can be done by hands in less than 5 minutes. Smart 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! Bring Your Wall To Life - Creative & Stylish: Fun and easy way to add a modern farmhouse wall clock to any wall in any room. This award winning clock is perfect for any space at home or office, such as kitchen, kids room, school, meeting room, bedroom, bathroom, college dormitoryetc) International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.