1. Brand new and high quality 2. Pressure Unit Measures PSI, BAR, KPA, and KGF/CM2 on Schrader Valves; 2-150 PSI in .1 PSI Increments. And easily, quickly and accuratly measuring your automotive tire pressure to make sure safety drive 3. 9 In 1 multifunctional common tools such as bottle opener, ruler, screwdriver (+ & – ), blet cut, swiss style army knife can meet you daily requirement when you want to use them to solve your problem 4. LED flashlight and safety hammer can help you in case of some dangerous condition wherever in outdoor, home or car. It can help you escape to safety area 5. Appearance designed is comfortable to hold and easy to use other function, all emergency tools you would need.(AAA*1 battery not include)