Features: 1. LED display clock, 2. 4-key operation, valid keys with button tone "Bi“ 3. Time display: hours, minutes, and seconds; 12/24 hour display: with 60 second moving point display. 4. Alarm function: 5 alarms modus avialbe / Alarm OFF 5. “Hour” Clock alarm function: "Bi" sound at the fully clock hour time. 6. Don’t Distrube function: The “Hour” Clock Alarm function is active from 7:00 to 21:00, and from 22:00 to 6:00 in the evening will be inactived. 7. Power supplier: DC or Battery 8. Acrylic housing 9. DIY – Kits Product Size: 102 mm x 90 mm x 92 mm Weight(including the package): 265g Packing box size: 120mm*120mm*60mm Package weight: 283g