Features:1. brand new and high quality2.Lighted nozzle and display screen for ultimate visibility in low light or at night3.Digital display instantly and clearly shows exact reading, eliminating the guesswork of analog gauges4.Nozzle seals to valve stem for quick and accurate measurements5.Simple pushbutton control turns unit on and selects the desired range6.Automatically shuts off after 30 seconds to save battery life7.Ergonomic design comfortably fits hand and features a soft, non-slip surface for sure gripHow to operate the digital tire gauge:1. Press switch and select PSI or BAR setting with LCD back light for easy use at night.2. Place the nozzle of the gauge over the tire valve. Press firmly to ensure good seal and prevent air escaping.3. Hold gauge on the valve until the LCD display locks.4. Remove the gauge quickly from the valve and read pressure.5. Gauge will automatically shut off 30 seconds after use.6. Gauge can be manually turned off by holding the switch down for more than 3 seconds.Specifications:Material: Engineering ABSweight: 100gsize: 14*4*3.5cmFour Measurement Ranges: PSI, Bar,KPA,Kgf/cm2Minimum Increment: 0.5 PSIPower Source: CR2032 3V lithium coin cell,3*AG13 batteryPackage including:1*Digital tire gauge