iMeshbean 21V, 1/2" Cordless Impact Wrench 4Ah, 2500 RPM

iMeshbean 21V, 1/2" Cordless Impact Wrench 4Ah, 2500 RPM Chuck Size: 1/2" Battery: 21V 4.0 Ah (2 pcs included) Endurance Time: Approximately 1–2 hours Charging Time: 2–3 hours Power Input: 110-240V Max Torque: 520 N.m (405 ft-lbs) No-load Speed: 0-2500 RPM Frequency: 0-1500 RPM Drill Chuck: 0.8-10mm / 3/8" Screw Diameter: 4-22mm