20V Brushless Impact Wrench (500N.m)

Battery(Li-ion): 4.0Ah

No-load Speed: 0-1600 /0-2100/0-2600r/min

Max. Torque: 450N.m

 Blows Per Minute: 0-1800 /  0-2500/0-3300bpm

Chuck Size 1/2"or 3/4" square-ning

Charging Time 1 hour/2hours