1. Digital display chip, LCD display screen, the test is more accurate, more reliable, and cost-effective. 2. Four test units: PSI, BAR, KPA,Kg/cm² 3. The button battery can be replaced. 4. Compact and streamlined design, more exquisite. Specification: Range:0-150 PSI or 0-10 Bar or 0- 10 Kg/cm² or 0- 1000 Kpa Display:21 * 10mm LCD display Power:CR2032 button battery(Enclosed) Operating temperature:-5 50℃ Increase fuel efficiency Improve vehicle handlingand safety Color: Orange/Bluetooth LCD Light demonstration. Automatic shut-off Engineering plastics shell Helpful Hints: Place the nozzle of the gauge over the tyre valve. Pressfirmly toensure good seal and prevent secaping. Hold gauge on the valve until the readingon the LCDdisplay locks. Remove the gauge quickly from the valve and readpressure. To retake the reading simply place the nozzle over thetyre valveagain and repeat. Gauge will automatically shut off 20 or 60 seconds afteruse. Gaugecan be manually turned off by holding the"ON" button down for more than 3 seconds. In order to get a good seal,please put the tire's nozzle was up or off to the side. It's best when the nozzle is ound the 6 or 7 o'clockposition So that you can firmly press the gauge straightdown. This means you have to crane your head a bit toread the digital measurement, but the important thing isto be able to press down straight & hard onto the tire'snozzle Important Notes: 1. Due to monitor variations, colors in images may differ slightly from actual products, though styles remain identical to illustrations. 2. Manual measurements may involve minor discrepancies; slight size variations are normal.