<ul> <li>PROCESS LEVEL ACCURACY: Each ETENWOLF’s digital tire pressure gauge is calibrated manually to ANSI B40.7 Grade 2A(plus-minus 1 PSI).Presta valve adapter not included, if used for bicycles, it must be purchased separately</li> <li>ACCURACY IN EXTREME PRESSURE RANGE: Whether tire pressure is below 12 PSI or above 140 PSI, ETENWOLF’s digital tire gauge is accurate as well</li> <li>ACCURACY 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)</li> <li>PRESSURE RANGE 3-200 PSI : ETENWOLF’s digital tire pressure gauge can measure pressure of all types of vehicles</li> <li>REPLACEABLE 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 reading</li> <li>STURDY AND DURABLE: When a car runs over ETENWOLF's tire pressure gauge, it can't be damaged and still works normally</li> <li>PSI gauge especially suitable for pickups, RVs and heavy-duty vehicles</li> <li>Auto shut-off after 30 seconds to save battery and ensure prolonged usage of the pressure gauge</li> <li>Stylish Italian industrial design with multiple color options for a fashionable look, a good gift as car accessories</li> </ul>