Hose Length: 36cm/14.0inch Battery: 2 x AAA Batteries (Not Included) Application: for most Car, Truck, Motorcycle and Bike Cast aluminum alloy body with valve Brass Chuck with Clip Built in bleed for lowering pressure Measure tire pressures from 0-200psi Displays KGF, BAR, PSI, KPA measurement LCD display with backlight for easy reading Pistol grip control handle cast aluminum handle with valves Portable size great to keep in car and simple to use Perfect for most Car, Truck, Motorcycle and Bike How to Use: 1.Screw off the knot of tire valve. 2. Fix the copper head of the gauge to the valve 3. The device will show the pressure. 4. You need to find an inflatable pump and gas pipe to connect the inflatable mouth and hold the handle of the product inflate it through the inflator，when pressure is low or vice versa. 5. After the measurement, screw off the copper head and press the air bleed to make the indicator to 0.