1. Compatible Models : Designed for BMW 5 Series E39 (1995-2010). 2. Versatile Jump Starter : This multifunctional jump starter goes beyond traditional models, serving as a portable car jump starter, tire pump, tire pressure gauge, power bank, and features multiple lighting modes. Its compact design makes it an essential companion for road trips and outdoor activities. 3. Smart Safety Features : Equipped with reverse polarity protection and an intelligent safety clip, ensuring safe operation during emergency starts. 4. Intelligent Tire Inflator : Our jump starter and air compressor combo includes 5 modes, 4 nozzle attachments, and 3 pressure units, making it suitable for cars, motorcycles, bicycles, sports balls, and more. With preset pressure options, pressure detection, and automatic shut-off, this device ensures precise inflation and convenience. Use Scenarios : - Quickly jump-start your BMW E39 during an unexpected breakdown. - Inflate a flat tire on your bike while camping, ensuring a smoother ride back home. - Use as a power bank to charge your devices while on a road trip. This all-in-one device combines functionality, portability, and safety, making it a must-have for any driver or outdoor enthusiast.