SUPER VALUE: RsTec T1 Car Window Breaker & Hammer + Seat Belt Cutter + Digital Tire Pressure Gauge | Multi Functional Car Emergency Escape Safety Tool. 3 Functions in 1: A Small Investment in Safety DIGITAL TIRE PRESSURE GAUGE: max:110 PSI / 7BAR *Save Money on Fuel* Improve your car's mileage & preserve tires by checking your tire pressure using the accurate tire gauge, with programmable alarm function: beeps when under or above set pressure, for use on a cars, minivans or minitrucks, auto shut's-off in 30sec CAR EMERGENCY WINDOW BREAKER / HAMMER: Better to be safe then sorry, secure yourself or loved ones: use the car escape glassbreaker to break a car's side window in case of an emergency. Equipped with a bigger pointed smasher compared to other products. SEAT BELT CUTTER: Cut a seatbelt in an emergency when seconds count with a razor sharp build-in knife. Hopefully you will never need it SMALL LED LIGHT: Illuminate the valve in dark conditions with the LED light. WORKS ON 2 AAA + BATTERIES (NOT INCLUDED) Easily replaceable via the cover on the back. 3 IN 1 CAR SAFETY TOOL: All you really need in your car - a rescuetool / survivaltool which is not supplied by the car's manufacturer - Combines with Stanley J5C09 1000, any portable tire inflator unit, portable compressor, any family survival kit.-Alternative to the well known: TEKTON 5941, AstroAI, ipow, Accutire MS-4021B lifehammer, michelin, tiretek or resqme keychain tools