Advantage: The wall clock is made of quartz movement material, high time accuracy, and quiet. The suction cup has strong suction and is waterproof. The numbers on the are clear and easy to read. Instruction: Easy to use, this wall clock with a suction cup can be easily fixed on smooth and dry surfaces, such as bathroom walls, mirrors, glass, metal, tiles, refrigerators, etc.(Battery NOT Included) Application: This waterproof bathroom clock design is widely suitable for the kitchen, bathroom, room, , meeting room, living room, game room, travel, etc., convenient to see the time at any time, and arrange your own time reasonably. This cute mini clock can also be used as a room decoration.