Feature: 1. High Accuracy: The pump is professionally calibrated to provide accurate readings at all times, with a reading error of no more than 1% of tire pressure. 2. Increase Safety:This air pump keeps tire pressure in the proper range.Properly inflated tires provide better performance in all weather conditions, reducing the likelihood of blowouts, explosions, and crashes, improving MPG, and saving on fuel costs and tire wear. 3. Excellent Structure: This air pump is made of excellent and heavy duty aluminum alloy and stainless steel and brass parts for the main body, together with explosion proof rubber hoses and sturdy ABS digital gauge, providing long lasting performance. 4. Wide Application: This air pump is widely used and is perfect for cars, bikes, motorcycles, balloons, air mattresses, sports balls and more! 5. Save Battery Life: This air pump automatically shuts off after 20 seconds of inactivity to preserve battery life and save power. Specification: Item Type: Tire Inflator Material: Alluminum Alloy, Stainless Steel, Brass, ABS, Rubber Display: LCD Digital Display Pressure Unit: 4 units can be switched Psi, Kpa, Bar , Kgf/cm² Maximum Pressure: 200Psi Operating Temperature: -20-60°C Key Function: Left key is the on/off switch and lcd light switch, the right key is the unit switching key. Inlet Interface: 1/4inch NPT Quick Interface Battery: 2 x 1300mAh AAA Dry Batteries ( Shipped With Matching Batteries ). Package List: 1 x Tire Inflator1 x PEFT Tape3 x Air Nozzle1 x Air Inlet Connector 4 x Tire Valve Cap1 x Special Screwdriver 2 x Battery