Car TPMS Solar Tire Pressure Monitoring System Digital Gauge Solar Tire Pressure for Car

1. Solar power charging, LCD color display, adjustable brightness.2. Real-time monitoring the pressure & temperature.3. Wireless transmission technology, 100% DIY installation.4. with built-in rechargeable explosion proof lithium battery.5. Acurately detect air pressure(high\/low pressure, quick air leakage and temperature), the 4 sensors will alarm under abnormal condition. Support 'BAR' 'PSI'.Monitor Specification1.Operating voltage: 3.7-5v2.Storage temperature: -30Celsius-90Celsius3.Working temperature: -30Celsius-85Celsius4.rf emission frequency: 433.92MHZ+\/-50MHZ5.Monitor mode: LCD Color Display6.Working pressure: 0-101PSI7.Bright operating current: less than equal 6mA8.Black operating current: less than equal 4mA9.Size: about 100 x 65mm\/3.94 x 2.56inchExternal Sensor Specification1. Lithium battery: CR16322. Operating Voltage: 2.1-3.6v3. Storage Temperature: -30Celsius-90Celsius4. Working Temperature: -30Celsius-85Celsius5. Temperature Resolution: +\/-2Celsius(25Celsius)6. Pressure Range: 0-7.0Bar7. Waterproof Grade: IP678. Transmitted Power: less than equal 10dBm9.Transmitted Frequency: 433.92MHZ10. Size: about 21 x 17mm\/1.06 x 0.67inchcolour:BlackMaterial:ABSPackage Contents:1 x Host4 x External Sensor4 x Anti-theif Nuts1 x USB charging cable1 x Wrench1 x English manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.