See More Detail :
https://www.amazon.co.jp/dp/B0B3HZZ67X
Specifications:Voltage: 20V MaxNo-Load Speed: 0-2700 RPMImpact Frequency: 0-3800 IPMChuck Size: 1/4" (6.35mm)Chuck Type: Quick Release CollectMax Torque: 120Nm (1100 In-Lbs)Charging Time: 3-5 hoursBattery Capacity:1500mAhNet Weight:1.2kg(2.6lbs)
Customer Service Email:
AltocraftJP@hotmail.com