1、Simple Stereoscopic Design: Simple stereoscopic design, large digital display to see clearly, simple and stylish appearance, strong stereoscopic effect, large and clear fonts, visual distance up to 50m. 2、Multi Language Use: APP controls multi language use, can be used globally, and can switch multiple languages: Chinese, English, German, Korean, Japanese, etc. 3、0 Error Time : Chip 0 error time, connected to mobile phone automatic time synchronization, not need to manually adjust the time, 0 error, accurate correction of the local time. 4、3 Speed Adjustment: Intelligent light sensing 3 speed adjustment, the brightness changes with the surrounding environment, so that you can see clearly, the APP control can control the 3 speed, which is suitable for the clarity of the daily environment. 5、Fiberglass Motherboard: The fiberglass motherboard is used, which has the advantages of heat insulation and flame retardancy, greatly improving the safety performance, suitable for various scenarios, simple and stylish. 6、ARM Processor: Upgraded higher frequency ARM processor, running smoothly, adding dedicated constant current drive chip for LEDs, 142 LED lights, avoiding stroboscopic phenomenons, more stable brightness, caring for your eyes, clearly visible. 1 x Clock1 x User Manual 1 x Power Adapter Item Type: LED Hollow Wall ClockMaterial: ABS+Galvanized PlateInput Voltage: 100~240V Output Voltage: 5VOutput Current: 2APower: 7WBattery: CR2032 Button Battery 150mAh (Included)Size: Approx. 42.2 x 15.2 x 2.1cm / 16.6 x 6 x 0.8inWeight: Approx. 1116g / 39.37oz