Describe: This great shower timer will help you cut costs by making your showers shorter. When you save hot water, you save a lot of energy used to heat water. Your water and energy bills will drop Simply set the water vapor proof timer in the shower, set the desired time, and press START. You will see the timer count down and an alarm will sound when it hits zero. Can also be used as a kitchen timer, or anywhere in your home. Specification: Size: 5.9x7.5x1.6cm/2.32*2.95*0.63 inches Material: ABS Battery: 1 AAA battery (battery not included) Placement method: hanging/suction cup adsorption. Function: Used to set time for lunch break, study, beauty, exercise, meeting, cooking, etc. It can remind you in time, so you don't need to worry. Scene: kitchen, office, study, student, travel, exercise, etc. Product list: 1 digital shower timer