EASY INSTALLATION: This clock features a suction cup design that can be firmly fixed to any smooth without drilling, making installation quick and easy. Perfect for bathrooms, kitchens, or any other room where a reliable timer is (1 x AA battery powered, not included) This shower clock is IP4 waterproof, making it perfect for use in the bathroom or shower (do not place in water). Bathroom wall clocks are splash and moisture , making them perfect for ensuring you don't have to take long showers and save water. installation methods: The bathroom alarm clock has a built-in hole on the back to hang it . It has a suction cup and is mounted on a clean, dry, smooth . . BEING MADE SIMPLE: With this easy-to-read, always-on watch, you'll never have to worry about losing track of time while ready for the day or cooking a meal. It's your perfect time management companion so you're always .