The Duo Bath Clock is a very uniquely and beautifully designed clock. The Duo Bath Clock is designed to be water resistant so you can safely put these clocks near your shower or bathtub. The Duo Bath Clock also features a hook on the bottom so you can hang items! You can easily attach the Duo Bath Clock on tile or glass surfaces. No strong adhesive is required as the Duo Bath Clock features a suction cup for you to conveniently attach the clock to the wall. You can easily remove the Duo Bath Clock and attach it somewhere else. The Duo Bath Clock requires one AA battery. Please note that the AA battery is not included in the purchase. Please check out the photos to learn more!