AUTOWN Digital Compression Tester Kit 8-Piece - 250 PSI Engine Compression Gauge with 4-Unit Backlit LCD, 1% Accuracy for Car Truck ATV Small Gas Engines

["DIGITAL PRECISION: 0.1 display resolution within 1% error delivers highly accurate peak pressure readings to pinpoint worn rings, valve leaks, or head gasket issues fast","4 UNITS & BACKLIT LCD: Measures up to 250 psi, 17 bar, 1700 kPa, 17 kgf/cm² - large backlit screen works in dim garages or under hood, plus auto-off saves battery after 2.5 minutes","COMPLETE 8-PIECE SET: Includes 4 metal adapters (M10, M12, M14, M18), straight & curved rubber cone adapters, extension hose, and digital gauge for universal fit on most gasoline engines","QUICK-RELEASE SAFETY VALVE: Integrated one-handed pressure release valve allows for safe and controlled depressurization after testing, preventing sudden bursts and enhancing user safety","PORTABLE GRAY CASE: Shock-resistant compact case keeps everything organized and protected - easy to toss in trunk or toolbox for mobile diagnostics","FOR GASOLINE ENGINES ONLY: Designed for cars, trucks, ATVs, and small engines - please note this kit is not suitable for diesel or crude oil engines","BATTERY NOTE: Requires 2 AAA batteries (not included)"]