ETENWOLF is a high-precision digital tire pressure gauge designed to provide accurate pressure readings. It is manually calibrated to ANSI B40.7 standards with an allowable deviation of just 0.5%. Powered by easily replaceable AAA batteries, the device includes a special AI chip with thermal compensation, ensuring consistent performance in both cold and hot weather conditions. The measurement range is from 3 to 200 PSI. A small, bright, and easy-to-read display shows all pressure data. The casing is highly durable and can even withstand the weight of a vehicle driving over it.