Features:
Fit on standard 2.4Bar / 36PSI tire valve stem.
Visually alerts you when the tire pressure is insufficient and avoid premature tire wear or blowouts from under-inflated tires.

Indication:
Green shows that tire pressure is normal.
Yellow shows that the pressure is insufficient about 10%.
Red alerts you that the pressure is insufficient by at least 25%.

Installation:
Remove the car's original black valve cap;
Screw this new pressure cap tightly onto the valve stem;
Check out the color regularly to know whether your tire pressure is normal or not.

Specifications:
Qty: 4 Pcs
Material: Chromed metal
Tire pressure: 2.4Bar / 36PSI
Item size: 2.3*1cm / 0.9*0.4in
Item weight: Approx. 7g / 0.24oz per piece
Package size: 9.5*3.5*1cm / 3.8*1.4*0.4in
Package weight: Approx. 31g / 1.1oz

Package content:
4 x Tyre pressure monitor