Selected materials: The pump pipe is made of high quality aluminum alloy, which has a beautiful metallic luster. The smooth surface makes the pump elegant, but also ensures the durability of the product. With barometer: The barometer can show you the exact tire pressure, prevent overpumping, and indicate when you need to pump. Use more precisely and be sure.Why you need it: The pedal can be bent 90 degrees, and the pump is small and delicate. If you drive or need to inflate, you can put this pump down with just a little space. Easy to use: Simply remove the nozzle from the tire and insert the pump into the nozzle to start pumping. Our pump has a lock that can be locked firmly onto the tire frame so that it can be locked onto the tire for more comfort for pumping. Customer Service: If you have any questions about the product or purchasing, please contact us. We will solve the problem for you. Hope you will enjoy your shopping.