PROCESS LEVEL ACCURACY: Each ETENWOLF’s digital tire pressure gauge is calibrated manually to ANSI B40.7 Grade 2A((±1 PSI)ACCURACY IN EXTREME PRESSURE RANGE: Whether tire pressure is below 12 PSI or above 140 PSI, ETENWOLF’s digital tire gauge is accurate as wellACCURACY IN EXTREME WEATHER: Built-in AI chip with thermal compensation inside, ETENWOLF’s tire gauge works normally even in extreme cold or hot weather(-4°F-130°F/-20°C-54°C)PRESSURE RANGE 3-200PSI : ETENWOLF’s digital tire pressure gauge can measure pressure of all types of vehiclesREPLACEABLE AAA BATTERIES: Batteries are easy to replace and helps to extend the tire pressure gauge’s life span, with LED light to illuminate dark areas for easy tire pressure readingSTURDY AND DURABLE: When a car runs over ETENWOLF’s tire pressure gauge, it can’t be damaged and still works normally
