Digital Tire Gauge with Flashlight, Life Hammer, Seat Belt & Cutter 4-in-1 Life Hammer - The chrome-plated tip is hard enough to effortlessly break the window when it it needed Seat Belt Cutter - The stainless steel razor is sharp enough to cut the seat belt effortlessly Flashilight - 2 new AAA 1.5V batteries, not included, last continously for 60 to 90 minutes Digital Tire Pressure Gauge - LCD display. Accurately measures 5 to 99 psi in 1/2-pournd increments. Automatically shuts off. operated by a 3V Lithium Battery, included