Premium glass cover to ensure protection from dust and debris. Sturdy plastic frame makes it lightweight and easy to hang.Large nail slot offers easy no-fuss and fast installation. Silent Non-ticking wall clock with quality & quiet, precise quartz movements to guarantee accurate time. Easy to put in batteries. Easy to set time. Easy to read the numbers. The clock runs on 1 AA battery (carbon zinc battery, not included) and keeps accurate time. Unique best decoration office.silent wall clocks also serve as kitchen, living room, bathroom, bedroom wall decor not only a wall clock, but also a perfect decoration for home