Wall Clock Battery OperatedThe wall clock requires 1 AA carbon battery (not included). Normally one battery can be used for several months. Please do not use rechargeable batteries and alkaline batteries to avoid damage to the movement.^ Silent Wall ClockSilent sweeping, non-ticking wall clock, gives you a perfect working and resting environment without interruption.^ Easy to readRound simple mirror surface, simple and clear numbers, very easy to see, environmentally friendly luminescent materials, and a wall clock with glow in the night allows you to read the time at any time.^ Modern decorative wall clock: simple and modern design, can be perfectly integrated into your bedroom, bathroom, living room, office, classroom^ Environmentally friendly and durable: using environmentally friendly plastics, simple and beautiful appearance, using high-quality quartz movement, accurate and durable. With 1 hook, wide slot on the back for easy hanging^