Material:All metal body Model Number:22689 Origin:Mainland China Features : High-end digital chip, LCD display monitor, testing more accurate, more reliable and cost-effective. The rubber shock-resistant protective cover can effectively protect the digital pressure gauge and guarantee that it can be used for long time. LCD backlit displays of Psi, Bar, kg/cm2, Kpa measurement units on 2.5" digital pressure gauge. Simple push power button to turn it on, select the desired range. Pressure release button for precise adjustment of pressure while on the tire valve. To save gas and keep tire wear with proper inflation. Specification: Material: All metal body Color: Black Measuring range: 3-200PSI Four units: PSI, Bar, MPa, Kg/cm2 Internal battery: 2xCR2032 ( Included ) Working temperature: -20 to 80 Size: as shown picture Operarion Steps : Please measure the tire pressure while the tire is cool. Use the end of the tire pressure gauge to press the tire valve, the digital display shows the highest value. The tire pressure gauge keeps the front vertical to pressure measurement and reads the tire pressure. Please check the tire pressure value (this pressure value refers to the car's instructions) and keep the tires at the correct pressure. After the reading is completed, press the pressure relief valve to remove the pressure inside the pressure gauge. After measurement, re-lock the lid on the tire valve nozzle. Package Included: 1 x LCD Tire Pressure Gauge Do dropshipping ? Yes,we do.If you have any question please contact us. Production Material Safety? All products are 100% brand new, workable and checked carefully before sending out. When is the parcel sent? We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather, public holidays and so on. If order doesn't received in declare time, please contact us. How about refund? Full refund if the item does not match the description or defective.