HIPPIH Silent Wall Clock Metal 12 Inches Non Ticking Digital Quiet Sweep Decorative Modern Round Wall Clock for Decor (Black) Modern Design. Simple and elegant and looks great on the wall of your home, classroom, patio, dining room, kitchen or office Large numbers and clear glass lens guarantee good view, even from across the room High-quality Quartz Sweep Movement guarantees accurate time and absolutely silent environment Powered by one AA battery(Not included). Average battery can last about 6 months One hook included with clock which ensures easy installation