4pcs Car Tyre Tire Pressure Monitor Indicator Valve Stem Cap Sensor 3 Color Eye Alert

Features:
Tire Pressure Monitor Valve Stem Cap Sensor Indicator 3 Color Eye alert New
100% Brand new and high quality 
Material: Chromed metal 
Round Style: 2.4PSI
Fit on any standard size existing tire valve stem 
Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires 

Indication: 
Green shows that tire pressure is normal. 
Yellow shows that the pressure is down about 5 pounds. 
Red alerts you that the pressure is down by at least 10 pounds. 

Installation: 
Determine the correct tire pressure for your tires. 
Inflate tire to correct pressure. 
Install This new pressure cap tight. 
Simply look at the color to know if your tire is low or normal 

Specifications:
Color: As the picture show
Item size: 23*10mm
Net weight: 25g
Package weight: 32g

Packing content:
4 x Tire Pressure Indicator Valve Stem Caps