FEATURES Battery Operated Alarm Clock with Ultra-Low Power Consumption. Simple Travel Alarm Clock with Indoor Thermometer & Hygrometer. Dual Smart Alarm Clock with Adjustable Snooze Duration. Loud Alarm Clock with incrementally louder Buzzer. Ultra-Clear Display with Dimmable LED Backlight. Keeping Accurate Time with Under 30 Seconds per Month of Time Error.INDOOR THERMOMETERRefresh display with the average temperature to provide updated and accurate readings, which meets the users requirement for accuracy.ULTRA-CLEAR DISPLAY WITH DIMMABLE BACKLIGHTBedside Alarm Clock will never give out harsh light to disturb your sleep at night.The backlight cant be always ON and it would be off if no operation within 8 seconds. We designed this logic to avoid excessive battery power consumption.So, 2 new AA batteries can support this clock to work perfectly at least 3 months which is far better than one-week clock.DUAL SMART ALARM WITH SNOOZEThe 2 separated wake-up alarms can be easily set to wake for just weekdays, just weekends, daily or just one-time alarm. Alarm Duration: Default 3 minutes (1-10 minutes adjustable) Snooze Duration: Default 9 minutes (1-30 minutes adjustable)UP TO 85dB LOUD BUZZER ALARMIt is quite user-friendly and no matter you are a light sleeper or heavy sleeper, this loud alarm clock could properly wake you up on time.