Brightness AdjustmentThe car clock features the high temperature LED digital tube display, daytime and nighttime are clearly visible, with automatic brightness adjustment, soft at night, bright in the sun. Solar Powered DesignThe car clock features the rechargeable battery whose power supply is solar powered mode, and it features the high-quality solar panel + high temperature resistant lithium battery power supply, which can be pasted and fixed without wiring. Shading Hood DesignThe design of the hood can effectively reduce the interference of strong light during the day, at night, the car clock can prevent the LED light from being projected on the front windshield, which does not affect the driving. Heat Resistant ShellThe shell of the car clock is made of high temperature resistant material, which makes the clock suitable for the internal environment of the car, without worrying about summer exposure. Practical in UseThe car clock features the vibration sensor for automatic switch on and off, and the clock automatically detects the vibration state of the car, and it turns on automatically. Specifications(about): Shellmaterial:automotive-gradehightemperatureresistantABSmaterial Size:maximumpartlength,widthandheight(10.6cm*7.3cm*2.3cm/4.17*2.87*0.91in) Notesoftemperaturemeasurement: Thetemperatureprobeisbehindtheclock,andthemeasuredtemperatureisthetemperatureofthehotworkingenvironment. (Thetemperatureofthecenterconsolewillgenerallybemuchhigherthantheaveragetemperatureinthecar) PackingList: AutoDigitalClock*1 Manual*1