High efficiency and durability, low wear and low energy consumption, more efficient and stable? Intelligent numerical control panel? Power display, easy to respond to different work needs, easy to use? Convenient in the dark working environment. Variable speed control button? Speed increases with pressure increasing. Clearly grasp the remaining power status, reasonable distribution intensity. Foward & reverse button? Easy switch between assembly and disassembly? Home and general building, engineering using, car repairing, etc. Specifications: – Color: Blue – Material: Plastic+Metal – Battery Voltage: 20V – Head size: 1/2” – Maximum torque: 520 N. M – Speed: 0-4000 RPM – Battery capacity: 4000mAh – Battery quantity: 2pcs – Product size: 10.5x7x24cm/4.1×2.8×9.4” – Package size: 30x25x9cm/11.8×9.8×3.5” – Battery: Suitable for Makita battery Package Included (Options): 1 x Cordless Impact Wrench 2 x Batteries 1 x Adapter 1 x Box. International buyers please note.