Application models: BMW 7 Series LWB E66 (2001-2008). Multifunction jump starter with built-in air compressor and bright LED light: This compact, portable unit combines a jump starter, a high-pressure air compressor, and a bright LED light in one. If your car battery is dead, tires need quick inflation, or you need light at the scene, this device covers it. The ergonomic handle makes it easy to carry and store in the trunk. Safety first with smart clamps: The jump starter features high-quality smart clamps with 10 integrated protection functions against overcharge, short circuits, and reverse polarity. Start your vehicle with confidence. Intelligent tire inflator: It offers 5 modes, 4 nozzle attachments, and 3 pressure units, suitable for cars, motorcycles, bicycles, sports balls, and more. With preset, pressure detection, and automatic shut-off, it stops automatically when the target is reached. Use scenarios: jump-start a dead battery in a BMW; quickly inflate a low tire on the road; provide lighting for roadside assistance in the dark.