Are you looking for a professional car tires pressure monitor caps? Or are you in search of a sturdy, trustworthy tire pressure stem caps that can be used to do multiple jobs at once? , ! Our durable car tires pressure monitor caps kit must meet your demands. It is one of the for you. Features - ColorAssorted Color - Material: copper, PC, stainless steel. - Size: 2.50X1.00X1.00cm/ 0.98X0.39X0.39inch. - Using copper, stainless steel and PC material, fine craftsmanship, safe and durable. - This auto tires pressure monitor caps can effectively prevent tire leakage, pay attention to your driving safety. - Well polished with light weight and proper size, will not hurt your hands. - Three-color column display, automatic measurement, you can use with much more confidence. - Features the anti-theft nut design, more secure, and the tire pressure is not easy to be removed by people. Cautions: Normal: Under the condition of standard tire pressure, the transparent +A15: window should be green, and the vehicle is running normally Warning: The tire pressure is slightly lower than the about 10%, the transparent window is yellow-green, and it should be inflated in time. : The tire pressure is lower than the about 25%, the transparent window should be yellow, and it should be checked and inflated immediately. Package list: 8 Tire Pressure Monitor Caps 8 x Screw Nuts 1 x Spanner