Product parameter1. Function: LED display, 24/12 hour time display, 1 set of alarm clock, temperature display, humidity display, comfort indicator, USB output, touch control, four-level manual dimming and light sensor automatic dimming, power-off memory function, Magnet adsorption function, detachable feet2. Material: ABS+acrylic mirror mirror3. Power supply: 5V1A external power supply (conventional shipment comes with a 1.5m USB cable, no adapter)4. Temperature range: -20~705. Temperature error: 16. Humidity range: 20%~95%7. Humidity error: 5%8. Product size: without standing feet: 85*13*150mm including standing feet: 62*85*153mm9. Screen size: 6 inches10. Single package size: 160*45*95mm With USB Output PortNote 1 :Only work when clock is charging with on an outlet.Note 2:Can not work with battery,Button Battery only work for Time memory.NOTE:Take the protective flim on Clock Screen,it will be brighter.