1、READABLE RANGE: Digital tire depth gauge is able to show surface depth from 0‑25.4mm in metric or 0‑1in in sae, accuracy for 0.01mm or 0.001in 2、COMPACT DESIGN: The depth gauge is compact and easily fit into a pocket or toolbox, making it very easy to carry and use, provide great convenience 3、WIDE USAGE: The digital tire depth gauge screen is large enough to clearly display the measurements. Suitable for all types of vehicle tires, like truck, car, moto 4、TWO UNITS: Digital car tyre tire depth meter measurer tool support switching between units of in and mm, and you can get the data as needed, very flexible 5、FAST AND ACCURATE: Accurate tyre depth gauge can quickly measure the tire surface depth, convenient to judge the tire wear condition, and effectively warn potential traffic accidents