1) Capacity: a) Steel: 10mm (3/8") b) Wood: 25mm (1") 2) Non-load speed: a) High: 0 - 1,250rpm b) Low: 0 - 400rpm 3) Soft / hard joint: 17 / 25N.m 4) LED job light for excellent work efficiency in dimly-lit places 5) UV protected TPE soft handle 6) Motor with a built-in fan highly resistant to overload 7) 22 stages' adjustable clutch for precise torque setting 8) All metal gear construction 9) Two-speed gear box for max. torque 10) Half-metal keyless chuck 11) Variable speed with electric feedback for increased power and control also electric brake 12) With three colors (yellow, blue and green) for options 13) 2 x 1.5A Ni-Cd batteries 14) 1h fast charger