Features: 1.Designed to maintain correct tire pressure, reduce tire wear and extend tire life. 2._x000D_ Digital display reading instantly and clearly being shown, easy to see. 3._x000D_ Easy to operate. 4._x000D_ Non-slip design makes it easy to hold onto and the ergonomic design is both suitable for men and women's hands. 5._x000D_ Used for cars, trucks, motorcycles, bicycles, etc. Specification: FEATURES:_x000D_ Test range: 0-100 PSI _x000D_ Accuracy: 1.5PSI _x000D_ Resolution: 0.5PSI _x000D_ Units: PSI, BAR, KPA, Kg/cm2 _x000D_ Power supply: one 3V CR2032 battery_x000D_ Product size: 143x45x23mm_x000D_ Product weight: about 41g_x000D_ _x000D_ Instructions:_x000D_ Press ON key to turn on the gauge. Last test result is shown automatically. _x000D_ Press ON key to select needed unit: PSIBARKPA Kg/cm2._x000D_ Place gauge's nozzle onto tire valve. Press tightly, make sure no hissing sound can be heard. _x000D_ Test for 3 seconds, move away the gauge. Read the result. _x000D_ 15 seconds later, LCD shows zero. Ready for another test._x000D_ If gauge is not operated for 60 seconds, it will power off automatically. Or press ON ky for 3 seconds to turn off the gauge. PackageList: 1 x Digital Tire Pressure Gauge (with battery) _x000D_ 1 x User Manual