Adjustable transmission Adjust your speed to suit your work Keyless chuck, ease of quick tip changing Protective coatings against impact LED lamp for working in the dark Ergonomic handle does not tire hands Technical Specification Battery: 14.4V/1.5A Torque: 26 NM Speed: 0-400 RPM - 0-1450 RPM Chuck: 10mm Weight: 1.2kg