ITEM NAME:Solar Wireless Car TPMS Tire Pressure Monitor Alarm System+4 External Sensor Product Description Description: Solar Wireless Car TPMS Black White Screen Auto Tire Tyre Pressure Monitoring Temperature Alarm System with 4 Sensors Description: - Tire pressure alarm, solar charging, wireless transmission; four wheel simultaneous monitoring on the color display - Prevent problems before they occur: prevent puncture and air leak to balance air pressure, save fuel, and reduce wear - With 4 external sensors External sensors - The battery life is about two years, and the battery can be replaced (installed on the valve core) - Anti-corrosion coating on the surface of the casing - Hexagonal nut anti-theft patent - Patented silicone integrated molding structure with unique external tire pressure sealing and ventilation to prevent air leakage Features: - High-efficiency solar panel, superior long duration capability - Large-capacity built-in metal lithium battery - Accurate monitoring of tire pressure stability values all the way - High precision black and white display - Large volume alarm sound alert - A variety of tire pressure units are available - Long receiving distance with stable signal - Tire position interchangeable Specifications: Colour: Black Air pressure setting range: 0.1 ~ 8.0 Bar Temperature setting range: 60 ~ 110 ℃ Working temperature: -20 ~ +80 ℃ Storage temperature: -30 ℃ ~ +85 ℃ Power-on voltage: DC 5V Frequency: 433.92MHz  ± 20.00MHz Product size: 95 * 70 * 25 mm/3.74*2.76*0.98" Sensor type: External Notes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Monitor 4 X Sensors 1 X USB Charging Cable 1 Set X Installing Accessories.Tire pressure alarm, solar charging, wireless transmission; four wheel simultaneous monitoring on the color display. - High-efficiency solar panel, superior long duration capability. - Patented silicone integrated molding structure with unique external tire pressure sealing and ventilation to prevent air leakage.