The SereneLife Sup Pump Air Inflator and Air Deflator is a versatile electric air compressor designed for inflating and deflating stand-up paddleboards (SUPs) and other water sport inflatables. This compact and portable air pump features an Lcd display with adjustable Psi settings (0-20 Psi) for precise inflation. Powered by a car power outlet or cigarette accessory jack, the pump offers hassle-free operation with a long 3.3 ft. air hose and 9.8 ft. power cable for added convenience. Its air deflator function allows for quick deflation, making it easy to pack up and store your inflatables after use. With its carry handle and disassemblable design, it's a practical tool for outdoor enthusiasts.