100% brand new and high quality
Simply look at the colour to know if your tyre pressure is low or normal
Takes just seconds to install
Fit on any standard size existing tire valve stem
Visually alerts you when the tire pressure is low to help avoid premature tyre wear or blowouts from under-inflated tires
Size:(Approx) 2.3 x 1cm/ 0.91" x 0.39"
Quantity:4 pcs
Very easy to read
Green shows that tyre pressure is normal (32-36psi)
Yellow shows that the pressure is down about 5 pounds
Red alerts you that the pressure is down by at least 10 pounds