cheap price of tyre pressure gauge.fashion design of car tire gauge
Size:  4.7*3.3*4cm
Reference coefficient:
Pressure range:3-150psi,
Power: 2*CR2032
Accuracy:±1 psi 
Easy to carry and save the space

Function:

1. The function of tire pressure measurement
2. Test tread depth
3. air escape, can put extra pressure drop
4. LED flashlight
5.LCD backlight