Mogix Digital Tire Pressure Gauge Safety 5in1 Survival Tool - Auto Rescue Window Breaker, Seat Belt Cutter, Flashlight and Tire Tread Meter (Blue) EZ TO READ This tire gauge has the light centered just right so you never have to second guess what your tire pressure is SAFETY IS FIRST Life saving tools in case of emergency escape include a seatbelt cutter & emergency car glass breaker TIRE TREAD MATTERS Keeping it all in check with 1 easy auto tool which includes a tire tread depth gauge is so efficient 5 IN 1 IS BETTER THAN 1 Have the best of both worlds: a reliable car tire pressure gauge & safety that could save lives! SAVE & SAFE - Save MONEY at the pump with improved gas mileage & safe with us - 100% Satisfaction Guarantee Today! Life saving features include Seat belt cutter or knife Window glass breaker Bright Flashlight Tire tread depth meter (remember, if your tread reading is in the red - your tire life is dead).