Zinc alloy cylinder, Safe & Durable Tire Inflator 4+1 Smart Modes & Max 150PSI Pressure Equipped with 4 valve adapters, the tire inflator has 5 preset inflation modes (car/motorcycle/bicycle/ball/custom). It can be simply and easily switched depending on your inflation needs. It can inflate upto4 car tires (0-100%) per full charge. Tips: It is best to have a portable inflator for your each car to keep the tires where they should be Easy Operation Cordless Tire Inflator Portable Air Compressor With 3 2000mAh lithium batteries rechargeable large-capacity battery built in, electric air pump ensures 30mins continuous car tire inflation without cord power supply. Furthermore, the tirepump for car ensures easy operation, just takes 1 sec to connect the inflation tube and tire inflator Real-time Pressure LED Display & Auto Stop The air compressor for car equipped with upgraded precision chip, ensure accurate tire pressure gauge. The large LED display shows real-time pressure value, convenient to observe and operate. Tips: Thecompresor de aire para carro will Auto shut-off when the preset pressure is reached, no need to worry about over-inflation Multifunctional LED Flashlight & Noise-Reduction Noise reduction technology of the bike pump enables the air pump to work with less noise. Built-in LED light provides convenience for you to find the valve easily in the dark and also suitable foremergency lighting and calling for help. Memory Function & Great Customer Service & Ideal Gifts Great gifts for anyone that drives. With the memory function, the auto bicycle pump recalls the last selected mode.