Type: Intelligent solar TPMS car tire pressure Solar charging, no need to connect car lighter Color LCD digital display, clear display of tire information Real-time monitoring of the pressure and temperature of 4 tires Low air pressure/high temperature alarm High temperature/leakage/low battery alarm Smart shock-absorbing when driving, no need to open/close Wireless connection via sensors for easy installation Two units (PSI / Bar) can be changed, you can set one you like. External sensors: Easy to install and replace Dustproof/waterproof/anti-theft High temperature and cold resistance Working temperature: -20 Celsius-85 Celsius Battery life: 2 years, replaceable Colour:Black Material:plastic Package Contents: 1x display 4x sensors 1x power cord 4x screws 1x wrench 1x mounting accessories Only 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.