Black Max 24V Cordless 1/2 inch Drill/Driver Specifications: Voltage: 24 Volt Chuck: 1/2" (13mm) Keyless Jacobs RPM: 0-500 / 0-1400 No Load Gearbox: All Metal Torque Settings: 21+ Drill Mode Battery: 1.3mAh Ni-Cad Charger: 1 Hour Brake: Electronic