Impact Driver, Drive Size 1/4 in Hex, Drive Configuration Straight, Max. Torque 1,400 in-lb, Voltage 20V DC, Brushless Motor No, Free Speed 2,800 RPM, Impacts per Minute 3,200, Number of Speed Settings 1, Collett 1/4 in Hex, Cordless Tool Kit Contents (1) Bare Tool, (2) Batteries, (1) Charger, Number of Batteries Included 2, Battery Capacity (2) 1.5 Ah, Battery Model No. Mfr. No. DCB201, Battery Series 20V Max, Charger Included Yes, Charger Model Mfr. No. DCB107, Case Included Yes