AstroAI Digital Tire Pressure Gauge with Replaceable AAA Battery & Backlit LCD & Non-Slip Grip, 4 Settings Stocking Stuffers for Car/Truck/Bicycle, 150 PSI, Brown

This new model uses AAA batteries and it is white backlit, the old version uses coin cells and it is blue backlit. But the function is the same.

All the tire gauges have been calibrated before selling. The accurate readings are in 0.1 increments and the accuracy when do measuring is ±1 PSI.

We recommend that you do not use higher initial voltage AAA batteries(1.8V). You can use 1.5V AAA batteries.If you use 1.8V AAA lithium batteries, the nozzle light and display will be much brighter than normal. Our tire gauge is normally 10 lumens, the lu