See More Detail :
www.amazon.co.jp/dp/B0B3J1BDFR
Specifications:Voltage:20V MaxNo-Load Speed: 0-16000r/minAir Speed: 110MPHAir Volume: 88CFMBattery Capacity:3.0AhFast Charging Time:About 2 hoursWorking Time: 20minMax. Air Speed: 110MPH
Customer Service Email:
AltocraftJP@hotmail.com