4 in 1 digital tire gauge a: digital tire gauge b: ultra bright flash light c: emergency hammer d: emergency seat belt 4 in 1 digital tire pressure gauge,mini tire pressure gauge,digital tire gauge Specification:4 in 1 digital tire pressure gaugea: digital tire gaugeb: ultra bright flash lightc: emergency hammerd: emergency seat belt cutterLCD display,shows 5-99 PSIScales selection.(bar,kpa,psi) ...