【POWERFUL & FAST INFLATION】 : FNNEMGE tire inflator uses 120W copper motor, the airflow up to 35L/min, it can inflate the 195/55/R15 car tire from 0 to 35psi within 5 minutes,more faster and powerful. Also equipped with high power Spiral fans, the ,speed up air flow heat dissipation speed,not hot when inflated.【REMOVABLE BATTERY 】: Using 3 * 2000mAh Rechargeable Lithium Battery, you can easily remove the battery pack, put your pocket, can charge it at any place. Strong 6000mAh battery,long endurance.【HANDHELD 90° ROTATION DESIGN】: This Air Pump Has Won International Design Awards, the appearance is in line with ergonomics, can perform 90 degrees rotation, easy to handle. Equipped with dust bags, easy to carry.【AUTO-OFF FUNCTION】:Automatically detect tire pressure and programmable inflation. Use" R, +,- "three keys to manually preset the target tire pressure,can switch between the pressure unit between KPa, Bar, And Kg / Cm2. The tire pump will automatically shut off when the preset pressure has been achieved, so you don't have to worry about over inflating or low tire pressure anymore.