The 2 in 1 jump starter is derived from the upgraded design of 2022 which will lead the market trend in the future. This battery jump starter integrates six functions such as car emergency start, tire inflator, lighting, SOS warning, charging for mobile devices, and starting 12V vehicle-mounted devices.The car starter has a built-in LCD digital meter that reads data directly from the jump pack and air compressor. You can preset the value you want and it will automatically shut off when the pressure is reached. The jump starter battery pack supports 3 optional units (PSI, BAR, KPA).There is a storage bin design on the back, which is convenient to store all air nozzles, not easy to lose, and avoid messy.