1) Capacity: a) Steel: 10mm (3/8") b) Wood: 25mm (1") c) Masonry: 8mm (5/10") 2) Blows per minute: a) High: 0 - 18,000bpm b) Low: 0 - 5,200bpm 3) Non-load speed: a) High: 0 - 1,250rpm b) Low: 0 - 400rpm 4) Soft / hard joint: 23 / 35N.m 5) 3-mode combination model for drilling in masonry 6) Screw driving and normal drilling 7) LED job light for excellent work efficiency in dimly-lit places 8) UV protected TPE soft handle 9) Motor with built-in fan highly resistant to overload 10) 20 stages' adjustable clutch for precise torque setting 11) All metal gear construction 12) Two-speed gear box for max. torque 13) Half-metal keyless chuck 14) Variable speed with electric feedback for increased power and control. also electric brake 15) With three colors (yellow, blue and green) for options 16) 2 x 1.5A Ni-Cd batteries 17) 1h fast charger