• LED digital display
• Time, date, temperature, humidity, snooze, volume/brightness adjustable, 2 sets of alarms
• 18 music for music appreciation and ringtone use
• 2 groups of alarms independent switch, each group supports 5 working day alarm modes (alarm of the day, Monday to Friday, Monday to Saturday, Saturday to Sunday, and daily alarm, etc.)
• Manual adjustment of volume and LED brightness (brightness, volume are 5 levels)
• 12/24 hours conversion
• Alarm 2 minutes, snooze time 5 minutes
• With daylight saving time function
• Can view the highest or lowest temperature and humidity
• Power supply: Type-C interface charging. (Please use 5V 1A or 2A adapter)
• USB port supports charging other devices (such as charging cell phones)
• Built-in 1200mAh lithium battery, no need to reset after power failure

Specifications: 

• Product model: LD8820
• Material: ABS
• Size: 168 * 66 * 36mm
• Weight: 260g
• Temperature range: -10℃-50℃
• Humidity range: 25%-95%
• Battery capacity: 1200mAh