Description: 1. Real-time monitoring of the battery voltage in the car, and the digital alarm pattern lights up. 2. Indoor and outdoor temperature display Measuring Range: Indoor (-50-70); Outdoor (-50-70). 3. The icing alarm display will turn on at a temperature below -1-4. 4. 12/24 hour system display, year/month/day display. 5. Check and display the real-time car battery voltage. 6. The orange and blue backlight can be switched. 7.Over-voltage or under-voltage alarm function. 8. Car cigarette power cord (12/24V). 9. 1.5M car impact and probe wire. Specifications: LCD display: 9.6*1.5cm Material: ABS， BATTERY: AG13X2 BATTERY Product Weight: 0.145kg Measurement: 114*23*29mm Package includes: 1x Car Thermometer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.