AWS uses Bluetooth[r] technology to communicate between tool and vacuum and enable wireless control when used with Makita AWS cordless tools. Brushless DC motor with high power to weight and size ratio and generates les heat buildup and is ideal for prolonged use in manufacturing/production applications. Items included: 40V Max (5.0Ah) Li-Ion battery BL4050F, rapid charger (DC40RA), 6 18/2" C.T. blade 56T (B-57342), Hex wrench 5 (783203-8), interlocking case (197213-3).