Motor Type: Brushless (higher efficiency, longer lifespan, and more power)Voltage: 21VChuck Size: 1/2-inch (13 mm) keyless metal chuckBattery Capacity: \(4.0\text{ Ah}\) Lithium-ion (for extended heavy-duty use)Max Torque: 60 N.mWorking Modes: Screwing, Drilling, and Impact/Hammer Drilling