1)18V Impact Driver:This durable power tool is compatible with all Makita 18V lithium-ion batteries such as BL1850, BL1850B, BL1860B, BL1840, BL1830 etc.(Battery not included)
2)Efficient BL Brushless Motor:The BL motor eliminates carbon brushes, enabling this driver to run cooler and more efficiently, optimize battery energy use for up to 50% longer run time per charge
3)4-Speed level :There are 4 working speeds level .Applying this function by switching the Left button, to provides you with precise fastening control according to your need. The no-load speed is 0-2700 r/min, the rated impact rate is 0-3500 t/min, the Max torque is 3097
4)2-Mode:While turning on the Right button, it will stop working automatically which helps eliminate "screw cam-out" and "cross threading" by driving at low speed until tightening begins. While you turn off it, it will work continuously for faster tightening of Self-Drilling screws helps prevent damage to the screw or work piece.