Description: Mini size does not occupy space, It's small, easy to store and put anywhere, More convenient to carry. Choice: #1: Micro USB charging OR #2: Need to be connected to the car cigarette lighter use. Prevent overcharge and overcharge, Just select the mode to inflate with one button. 15 cylinder charging pump, 15mm diameter in cylinder, long stable life. Don't touch the dark again, In the evening, you don't need to bring a flashlight to inflate. The red and blue running lights can also be used as emergency indicator lights. Charging convenience / mobile power design, USB interface for charging various USB devices. One machine for multiple purposes, Outdoor bicycle inflation / Inflatable toys / Car self driving tour inflation / Ball cheering. Specification: Voltage:14.8V Rated power: 50W Pressure Unit: PSI, BAR, KPA, KG / CM2 Size: Approx.170 x 60 x 45mm Package Includes: Choice: #1: 1 x Air Compressor 1 x USB Cable 1 x Cigar Lighter 4 x Toy Nozzle #2: 1 x Air Compressor 1 x Cigar Lighter 4 x Toy Nozzle Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!