AstroAI Digital Air Pressure Gauge for Tires, Backlit LCD and Non-Slip Grip, 4 Settings Stocking Stuffers for Car/Truck/Bike, 150 PSI, Includes AAA Batteries, Gray

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.

No, the tire gauge cannot directly work with Presta Valves. You may need an adapter for it.

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.