40V Cordless Shared Freedom: Bare tool configuration designed to run seamlessly on Mountfield’s high-voltage, interchangeable 40V lithium-ion battery network.. Premium 30cm (12") Oregon Gear: Equipped with a robust Oregon bar and a full-complement, full-chisel chain for clean, aggressive wood slicing.. High-Torque Brushless Motor: Advanced digital motor technology maximizes overall energy efficiency and power delivery while staying completely maintenance-free.. Tool-Free Chain Quick Tensioning: Integrated mechanical side-dial lets you tension the chain or swap bars instantly by hand with no specialized tools.. Triple-Action Safety Braking: Advanced operator security featuring a quick mechanical chain brake, hand guard shield, and an electronic safety motor brake..