Product Specification TPMS receiver:- Built-in battery: 500mAh- Operating voltage: DC 5V- RF transmiion frequency: 433.92MHz- Preure unit: psi / bar- Temperature unit: Deg.C / Deg.F.- Operating temperature: -20 ~ 85 - Storage temperature: -40 ~ 125 External sensors: Preure range: 0 - 116 psi / 0 - 8bar- Preure accuracy: +/- 0.1BARi- Operating frequency: 433.92MHz- Operating voltage: 2.0 - 3.6V- Waterproof: IP67- Operating temperature: -40 ~ 85- Storage temperature: -40 ~125- Battery: Built-in CR1632 120mAh coin cell Main feature 1. Tire preure monitoring system (TPMS) can monitor tire preure/temperature status in real time.2, TPMS display will automatically enter sleep mode after 10 minutes of parking. Pre the power button or start the car to wake up the display in the sleep mode.3Widely applied to 6 tires vehicles, tire preure up to 8 bar, such as RV , minibus, minivan, etc.4LCD display, bright backlight, clear data, so you can easily and comfortably understand the status of your car.5Multiple power supply methods, support solar charging and USB charging6Tire preure monitoring system can monitor 6 tires, monitoring sensing distance up to 5-10 meters to make TPMS adapt to different vehicles, to protect your driving safety.