The Dewalt DCMCS574N 54V XR FlexVolt Chainsaw has a Safety guard/Chain Brake - Stops the chain in under 1 second for increased safety The Dewalt DCMCS574N is a Body Only 54V XR FlexVolt Cordless Chainsaw that delivers performance on a par with a 40cc petrol machine. Fitted with an energy-efficient brushless motor for longer runtimes per charge, and a 450mm bar. It has an auto-oiling system for keeping the chain lubricated and a chain tensioning system. Sold in a cardboard box without a battery or charger. Features: Increased Torque/Cutting performance - Slower chain speed 13.5m/s ) increases torque thus improving cutting performance, especially in thicker material. No bog down/slowing down during use Safety guard/Chain Brake - Stops chain in under 1 second for increased safety Auto Oiling - Reduced maintenance for ease of use Metal Bucking Spikes - For improved grip 45cm bar and chain - Fast, efficient cutting Tooled chain tensioning - Reliable bar retention New Brushless Motor / Electronics - Improved power and runtime Heavy-duty cutting performance 2.7 Horsepower - 40cc petrol power equivalent Ergonomic grip - Increased comfort to use for longer durations Specification: Voltage: 54V Output: 2100W Bar/Chain: 45 cm Chain Tension: Dual Lock Bucking Spikes: Metal Oiler: Automatic Pitch: 3/8" Chain Speed: 13.5 m/s