Features: Scan the code to set the alarm clock, automatically synchronize the phone for time after connection, you can set the alarm clock, ringtone, volume, three independent alarm clocks, alarm volume adjustment, alarm clock can be repeated, 6 types of ringtones to choose, one setting continues to take effect. Countdown, only Bluetooth-for charging models have this function, custom countdown,A good learning helper designed to manage for time, with a setting range of 1-99 minutes.(Battery models only support lighting for four seconds/not timing/non-adjustable brightness) Temperature display, indoor temperature display, increase or decrease clothing for you to prevent colds. You can see it when you wake up at night. It is an alarm clock or a night light. Short press to switch the light (long press to adjust the brightness). When scanning the code, it is backlit and night light, and it is in snooze mode. Hourly hour, set the timing to turn off the lights. Specifications: Material: Plastic Color: Red/Blue/Yellow Size: Approx. 12x7.6x9.7cm/4.72x2.99x3.82in Number of batteries: 2x5 batteries (not included) Battery capacity: 1200mAh Temperature range: -20°C~50°C (-4°F~122°F) Package Includes: 1xAlarm Clock Digital note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.