High Precision Electronic Mini Car Tire Pressure Gauge LCD Digital Display Feature: LCD digital display electronic digital tire pressure gauge LED with light pressure valve: the gas nozzle can be clearly observed. Round switch: simple design, one button to switch between four units. LED backlit display: more convenient for night reading. Streamlined grip: ergonomic design, smooth lines, comfortable grip. Matte non-slip surface: ergonomic design, more suitable for grip. Metal suspension hole: hollow design, easy to hang. Scope of application: off-road vehicles, business vehicles, RVs, family cars, bicycles, trucks, motorcycles, sports cars. Specification: Product name: Tire pressure gauge Pressure display range: 0-150 (psi) Display unit: multiple units Backlight: Yes Spotlight: Yes Product material: ABS plastic Color: black, red, silver, yellow Product size: about 13.8 * 5.4 * 3.1cm Resolution: 0.1psi Range: 0-150psi 0-10bar 0-999kpa 0-10kg / cm2 Weight: about 75g Accuracy: +/-1.5psi Measuring range: 0-150psi Product List: 1X Tire pressure gauge 3X LR44 battery Instructions: 1. Unscrew the tire valve first, then select the unit you are familiar with, and press the button to switch. 2. Align the valve and press hard for more than two seconds to stabilize the reading, that is, the tire pressure value is measured. 3. Press the tire pressure gauge switch again to switch between different units for easy reading. Note: After booting, align the pressure measuring hole with the tire valve, then squeeze hard to keep the air leak-proof state, the tire pressure gauge will automatically display the reading, and then press the key to switch automatically.