1、【Solar/Battery Powered】: Car Digital Clock is designed with high-quality solar panel and high-temperature resistant lithium battery, allowing you to recharge it with solar power or battery. 2、【Easy to Use】: Car Solar Clock features the vibration sensor for automatic switch on and off, and will automatically turn on when detecting the vibration state of the car and shut down after parking for a period of time. 3、【Endurable Materials】: Solar Digital Clock has the shell that uses high-temperature resistant material, making it suitable for the internal environment of the car, and frees you from worry about summer exposure. 5、【Shading Hood Design】: Car Clock uses a shading hood for safe driving, which can effectively reduce the interference of strong light during the day and prevent the LED light from being projected on the front windshield. Features: 1. Solar charging, convenient use, easy to install. 2. Illuminated font display, clearly visible both day and night, No polarized light, wide viewing angle. 4. Built-in 500mAh high-capacity lithium battery, resistant to high temperatures, improves battery life without sunlight. 5. For general family car use, able to charge when parked outdoors and travels during the day. 6. Battery power monitoring function, a "-Lo-" low power reminder will appear every minute until it is forced to off. Put it in the sun or charge it with Micros USB, and press the button again to turn it on. Notes of temperature measurement: The temperature probe is behind the clock, and the measured temperature is the temperature of the host working environment. (The temperature of the center console will generally be much higher than the average temperature in the car) Specifications: Product Name: Solar Car Clock Power Supply Mode: Solar power supply, Micros USB power supply, Rechargeable lithium battery power supply Charging methods: Solar charging / Micros USB charging Switching Methods: Long press the bottom button for 3 seconds to automatically shut down, short press the bottom button once to turn on. Installation Methods: Use double-sided tape to fix it in front of the front windshield of the center console. Shell Material: Automotive-grade high-temperature resistant ABS material Size: Length*width*height of the largest part (about 10.6*7.3*2.3cm/4.17*2.87*0.91inch) Packing List: 1* Automotive Digital Clock 1* Manual