Features 1. Zero-power instant start: 1500A peak current, the car can start instantly even at zero voltage. Powerful performance: high-rate A-grade battery cells, specially developed for car starting, powerful performance, not picky about car models. 2. Equipped with 12-proof intelligent ignition clamps, safe protection and worry-free use. It has multiple protection functions and meets various testing standards, making it safer to use. 3. 12-level safety protection: high-voltage protection, low-voltage protection, high-temperature protection, low-temperature protection, overcharge protection, over-discharge protection, overcurrent protection, short-circuit protection, power-off protection, reverse connection protection, reverse charging protection, and shockproof protection. 4. Strong driving force: 22-cylinder air pump has strong driving force, upgraded pure copper cylinder diameter, high-speed motion output Pengbai airflow, and it only takes 5 minutes to fill a 175 zero-pressure tire. 5. Emergency lighting: LED high-brightness lighting, three switching modes, SOS mode can be used to prevent secondary accidents when the vehicle has a tire blowout or an accident late at night. Specification Capacity: Actual 8400mA Starting voltage: 12V Charging voltage: 150PSI (MAX) Cylinder diameter: 22mm USB output: input 5V/2.4A, output 5V/2.4A Material: ABS Color: Black Size: 24 x 13.5 x 10 cm Weight: 1150 g Package Include: 1x Portable Car Jump Starter EVA storage bag Air nozzle accessories Button type air nozzle Type-C charging cable Bold line clamp