Silent wall clock, Ø 348 mm Silent-running wall clock. A protective plastic lens makes it suitable for tough environments. Powered with 1 x AA-battery (not included). Keep track of the time with this wall clock that blends in to any environment without taking over the room. The clock has a classic white face with clear, black numbers and a stylish, black plastic frame. The sweeping, red second hand provides silent operation and makes it extra easy to read the exact time. Thanks to the smart plastic lens, the clock is extra durable and it can withstand tougher treatment, which makes it especially suitable for the food industry, kitchens, nurseries, schools etc.