Brushless motor Voltage: 40V(20V 20V) Bar length: 16"(40cm) Chain speed: 14.5m/s Quick Chain brake function Auto lubrication Include: 1 Pcs 16'' saw chain 1 Pcs 16'' chain saw bar 2 Pcs 4.0Ah battery pack(FBLI2002) 1 Pcs dual-port charger(FCLI2034E) Charge volts: 220-240V~50/60Hz