Features: 1.Accurate Design: Digital pressure gauge has accurate reading with precise resolution, and the range is 3?255 PSI. 2.Function: Decreasing the likelihood of flats, explosions, and crashes, increase your MPG, saving fuel costs and tire wear measurement 3.High Visibility: The LCD backlit display and large screen design give you bright visibility, even in low light conditions or at night. 4.Features: Upgraded design, easy reading, 4 units switchable, operating voltage is DC3.1V, stable performance and high reliability. 5.Application: Used for cars, trucks, motorcycles, trails, SUVs, RVs, and has stable performance in all weather conditions for excellent using. Specification: Item Type: Digital Pressure Gauge Material: ABS and copper Thread Specification: M11x1 Product Features: Upgraded design,copper material connector, pressure resistant sensor, large LCD digital meter display, easy to read, 4 kinds of unit display can be switched. Application: Motorcycle, Car, small and medium sized passenger Vans, Truck, Bus Pressure Units: 4 units can be switched Psi, Kpa, Bar , Kgf/cm^2 Measurement Range: 3-255PSI/18BAR/18Kgf/cm^2 Working Temperature: -20-60 Key Function: Left button switch background light, right button on/off/unit switch key, with air pressure into the automatic detection switch, no manual operation. Back with LED spotlight, left button long press 3-5S can be turned on / off Working Voltage: DC3.1V Applicable Battery Type: A pair of 1.5V AAA batteries (shipped without batteries) When the battery voltage is lower than 2.5V LCD battery symbol flashing Working current: 3MA or less (with backlight); 1MA or less (without backlight)