Specifications and functions：
-Just plug it into the car's cigarette lighter, drive the car, and it will open automatically.In addition, it has a USB charging port on the outside, which can charge your USB devices, such as mobile phones and tablets
-Colorful LCD Digital displaying, clear to show tire information
-Rear-time monitoring pressure & temperature of 4 tires
-Low air pressure/high temperature alarm
-High Temperature / Leakage / Low Battery Alarm
-Wireless connect by sensors, easy install
-Build-in sensors and external sensors options, meets all your need
-Fit on almost 98% cars on market
External Sensors (Optional)：
-Easy to install, convenient to replace
-Dust-Proof / Water-Proof / Anti-theft
-Anti High Temperate and Cold
-IP67 Protection / Waterproof
-Working Temperature: -10℃-85℃
-Battery Life: 2 Years, replaceable
How to replace the External Sensor battery?
1. Remove the dismantling gasket；
2. Wrench the shell with a wrench；
3. Remove the battery；
4. Replace a new battery.
There are 3 types.pls choose the correct one you like.
