Product Specification: Handheld inflatable pump Material: ABS engineering plastics Battery Capacity: 2000 mAH Light: 200LM/SOS sharp flash Inflation time: 10~12min (tire type:195/55/R16) Metal cylinder:16 cylinders Replenishment time: 90s Dial plate tire pressure: 150PSI Charging time: 3h Discharge time: 35min Work For: Car / Bicycle / Electric bicycle / Motorbike / Balls / Manual mode FEATURES: 1. It can be used for tires of cars, bike, motorcycles, air mattress, inflatable boats, balls etc. 2. There is an LED light for you to find the tire valve at night and can work as emergency light. 3. It's portable and auto shut off. There are 5 object modes and 4 pressure modes, which are BAR/PSI/KPA & KG/CM2. 4. You can preset tire pressure to what the tires need and it will automatically shut off when the pressure reaches. Don't worry about over inflating. Perfect for using on tires, inflatable toys, sports balls and more. Let it be your good helper in travel or on the road! EASY TO USE: 1. Install the valve on the inflator and tire. Then you can check the tire pressure on the screen. 2. Turn on the air compressor and switch the object mode you want. 3. Press +/- to set up tire pressure target. 4. While it reaches the pre-set pressure value, it will automatically shut off.