A LCD back-light alarm clock with time, calendar and temperature display. The clock has been designed with absolute simplicity in mind Easy for boys, girls, toddler, kids, teens, seniors and the elderly. Functioned by batteries which can be used anywhere. 【Snooze Button】- The alarm clock comes with snooze button which you can catch an extra sleep time. 5 minutes later, this digital alarm clock will wake you up again until it was turned off. 【Smart Light Sensor】- Automatically dimming based on the brightness of surrounding environment (with the sensor lock "on”) Saving the battery life and longer the working time 【Brightness Setting】- Press the snooze button at the top of this clock, the display will light up for 5 seconds. It helps to check the time in dark if its too dim to see. 【BATTERY POWERED】-Since it is battery powered you can put it wherever you need it. This product adopts LCD display screen with low current. It is recommended to use 3*AAA carbon battery instead of alkaline battery. 【2 Display Formats】- Support 12 or 24 Hours Display & Celsius Fahrenheit Switching