• Voltage: 40V
• Batter y(Li-ion): 2.0/2.5/4.0 Ah
• Max Fastening Torque: 380 N.m
• Nut Busting Torque: 480 N.m
• No-load Speed: 0-1200/0-1800/0-2400 rpm
• Blows per Minute: 0-1600/0-2400/0-3200 bpm
• Driving Shank: 1/2"Square and 1/4"Hex
• Charging Time: 1 Hour/2 Hours