1、Applicable Model: TPMS relearn tool is suitable for most cars equipped with 433 MHz such as replacement for Chevy, replacement for Opel. 2、Tire Pressure Gauge Function: Maintain correct tire pressure, reduce tire wear and prolong tire life. Automatic reset, no need to calibrate or reset the device. 3、Battery Saver: Automatically turn off within 30 seconds to save battery. Designed with replaceable battery and power switch. Please use a new 9V battery. (not included) 4、High Accuracy: Digital display, clear reading. You can rotate between PSI BAR KPA and even Kg/cm² by pressing the left button before taking a pressure reading. 5、4 Setting Ranges: 0‑150PSI / 0‑7Bar / 0‑7Kgf/cm² or 0‑700KPA and accurate readings in 0.05 increments. Suitable for all cars, motorcycles and bicycles. 6、Easy Operation: Helps you reset all your tires easily in just a few simple steps. The perfect auto accessory gift for men, daughters, sons and yourself.