Features: 100% brand new and high quality Cast aluminum alloy body with valve. Brass Chuck with Clip. Built in bleed for lowering pressure. How to Use:1.Screw off the knot of tire valve.2. Fix the copper head of the gauge to the valve3. 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. LCD display with backlight for easy reading. -Pistol grip control handle cast aluminum handle with valves. Measure tire pressures from 3-200psi. Displays KGF, BAR, PSI, KPA measurement. Portable size great to keep in car and simple to use. For most Car, Truck, Motorcycle and Bike. Package Includes: Package 1 Includes: 1 Set Digital Pressure Dial Gauge(9 pieces) Package 2 Includes: 1 Set Digital Pressure Dial Gauge(12 pieces) Specifications: Material: Metal + Rubber + Plastic Hose Length: 30cm/11.71inch Type: 1, 2 (optional) Battery: 2 x AAA Batteries (Not Included) Application: for Most Car, Truck, Motorcycle and Bike Pressure Unit: Four Units Can Switch Psi, Kpa, Bar, Kgf / Cm ^ 2 Measuring Range: 3 ~ 255psi / 18bar / 18kgf / Cm ^ 2 Working Temperature: -10 to 50 C Button Function: on Key (left), Unit Switch Key (right) Working Voltage: Dc3.1v (with a Pair of 1.5v7 Batteries) Can Be Replaced. LCD Battery Symbol Flash when the Battery Voltage is Below 2.5v. Work Current: 3ma or Less (with Backlight); 1ma or Less (not Open Backlight) Static Current: 5ua note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.