TireGuard: 4-Piece Pressure Alert Valve Caps

Description:
100% brand new and high quality.
Lightweight and portable.
Durable and practical.
With a clear transparent window, it will be displayed tire pressure any abnormal in time.
It can guarantee the tire's normal air pressure, reduce tire wear and prolong tire life.

Specifications:
Weight: 32g
Size: 1*2.3cm
Color: as picture shows
Applicable to: Car, Motorcycle

Package Included:
4 * Auto valve cap

Note: 
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
The Manual measurement allowed error is +/- 1-3cm.