Tick-free: -- Completely silent, using a high-quality swept movement quartz mechanism that won't tick or make any whirring sounds. Precise quartz sweep movement ensures accurate time and absolutely quiet environment.Easy to read: -- Large black numerals on the white dial make it easy to read the time from any angle.Sturdy Design: -- Unlike other clock backdrops that use cardboard as clock backdrops that are prone to damage during wet and humid seasons, this clock back base is made of solid plastic so it remains functional and dry in any weather condition.Easy to install: --Comes with very simple installation kit, can be hung securely on the wall in seconds. Powered by 1 AA battery (not included). If you need to use it for a long time, do not use alkaline batteries or high-power batteries, as they will affect the accuracy of the time.Widely Applicable: -- Perfect for living room, bedroom, kitchen, bathroom, classroom, guest room, office, restaurant, cafe, library or any color wall.Dimensions: Diameter: 25cm, Thickness: 4cm, 10 inches