20V Brushless Impact Wrench (850N.m)

Battery(Li-ion): 4.0Ah

No-load Speed: 0-1000/0-1200/0-1800r/min

Max. Torque: 1000N.m

Blows Per Minute: 0-1450 /  0-1850/0-2850bpm

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

Charging Time 1 hour/2hours