1. Material: This 3D Digital Wall Clock is made of plastic, Size 235*93*18MM, and Weight: 163g. 2. Display: LED time display. Energy saving, heat dissipation, low power consumption, and stable performance USB LED clock. Brightness Auto is 70% darker from (19:00-6:00). 100% Brightness Light From 6 AM-6:59 PM. 3. Silence Movement Quartz ensures a comfortable sleeping or working atmosphere. 4. Power Source: CR2032 battery (included). 5V (AC adaptor excluded), for settings back up, USB Cable(included). 5. 12 / 24h Time format: The PM indicator will light up in 12h time format. AL1, AL2, AL3 3 Sets of Alarms: 0-24h alarm clock with 1-minute beeper. Material: PlasticWeight: 163gSize: 235*93*18MMColor: White/Red/Green/Pink/Orange/BlueBattery:CR2032(included)Display: Display Time/Date/Temperature/Alarm by turnTemperature Range: 0℃-50℃Power: 1 x CR2032 battery for memory time, DC 5V /USB CableBrightness: Brightness Auto is 70% darker from (19:00-6:00)Package included:1 x Clock1 x USB Cable1 x Battery1 x Instructions 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.