1. Timer function: easily set timer alarm by pressing the front touch button. Add up to 10 minutes or 1 minute, and the countdown timer will beep at the end2. Necessary for the bathroom: the compact waterproof clock is very suitable for use in the shower or near the bathroom dresser3. Clear display: LCD clock displays time, temperature and indoor relative humidity readings on one screen. Time can be displayed in 12-hour or 24-hour mode, and temperature can be displayed in Fahrenheit or Celsius4. Multiple installation options: the shower clock can be freestanding, wall-mounted, hung on the hook, or use powerful suction cups on the wall, glass, ceramic tile or mirror with smooth surface5. Compact and portable: The clock is powered by two AAA batteries (sold separately), without wires or plugs. Dimensions 4.16 "x 1.63" x 4.32 " Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.