The FLEXVOLT 60V MAX Chainsaw features tool-free chain tensioning and combination tooled/toolless bar retention knob to enable proper bar clamping force. It also features a high-efficiency brushless motor to help maximize run time and motor life and auto-oiling for continuous lubrication. This kit includes a FLEXVOLT 20V/60V MAX* battery that powers 60V MAX* tools or it can be backwards compatible to work with 20V MAX* tools. Tool-free chain tensioning for quick and easy chain adjustments Chain brake for kick back protection Combination tooled/toolless bar retention knob for proper bar clamping force Auto-Oiling for continuous lubrication. Quarter-turn oil cap for quick oil re-fills Up to 70 cuts per charge* *on a 6 in. x 6 in. pressure treated pine wood Technical Information AMP Hour: 3.0 AH Batteries Included: 1 Bar Length: 16" Power Source: Lithium Ion System: 60V Max Product Includes: (1) DCCS670 Brushless Chainsaw (1) 60V MAX 3Ah Battery (1) Charger (1) Hard Bar Cover