1. Power supply voltage: DC 5V
2. Battery capacity: 400mAh
3. Solar charging: 100mAh
4. Function: time display, temperature display, altitude display, vehicle speed display, solar charging, USB charging, fatigue driving reminder, vehicle speed compensation setting, vehicle speed alarm
5. Shell material: ABS, PC
6. Packing list: head-up device x1, 1m long USB cable x1, anti-skid pad x1, manual x1
7. Weight: about 203 grams
8. Size: about 10x8x3 cm

Features:
1. Delicate and compact shape with rounded edges
2. Multiple function display, switchable display content
3. Two power supply modes, solar + USB charging
4. LCD color screen display, large font, easy to watch
5. The solar panel can intelligently identify the brightness
6. GPS positioning system, small deviation, positioning time, speed compensation settings
7. Built-in intelligent sensor, start with the car, convenient and energy saving
8. Speed alarm setting, sound alarm over 120km/h, the alarm value can be adjusted
9. When the vehicle continues to drive for 4 hours, a fatigue driving reminder will be issued, and the fatigue driving time can be set by yourself