【 HIGH-PERFORMANCE CAR JUMP STARTER 】Powerful and safe. With boosted 3000A cranking current, the car battery jump starter battery pack can instantly restart your 12V vehicles (specially for up to 9.0L gas/8.0L diesel) even at -4~140°F, support more than 1000+ recharge cycles. This jump box for car battery standby for about 24 months, always ready to help. 【 SMART CORDLESS INFLATOR WITH LCD SCREEN 】 Smart preset & auto shut-off without repeated adjustment and check. With unique turbocharged 35L/Min (150 PSI) lasting 25 minutes. The portable car jump starter with air compressor quickly inflates a car tire to 20 PSI in just 2 minutes, 3 different nozzles for inflating cars, bikes, balls, etc. Large LCD display to read real-time data, 3 optional unit switching and detachable extended air hose for ease of use 【 ESCORT YOUR SAFETY 】Thanks to the subversive innovation of honeycomb thermal design, the start-up temperature of battery jumper starter portable is reduce