U908I function descripiton:

1.Use the Cigarette lighter power,with LED display  and 4 internal sensor.

2.Monitor the tempreature and pressure with high degree accuracy, display for 4 tires all at once

3.Save gas,forsee air leakage,reduce tire wearout,balance tire pressure,ensure safety driving.

4.RF wireless technology,can automatica alarm when tire pressure and temperature is abnormal.

5.With two pressure unit"PSI,BAR " and two temperature unit"C" for option.

6.Support tire position exchange function.

7.Sensor protection grade:IP5K4K.