This Dewalt chainsaw features a fully brushless motor and chain speed of 7.68 metres per second, capable of producing up to 140 cuts per battery charge The Dewalt DCM565N 18V Chainsaw is fitted with a Brushless Motor for improved power and run-time, capable of producing up to 140 cuts per battery charge (with 5.0Ah battery). This model boasts a chain speed of 7.68 metres per second. Because the speed is just under 8 metres per second, you don\'t need a certificate to buy this machine making it ideal for home garden use. This model has an automatic oiling feature for reduced maintenance and a tool-free bar fitment for fast chain adjustments. The extensive over mould increases comfort upon use. Features: Powered by 18V XR 5.0Ah Li-ion battery (not included) for extended run time (70 cuts 4\" x 4\" pressure treated spruce) Lightweight and compact (3.6kg), ideal for one-handed cuts 30cm Oregon bar cuts almost twice its length (that\'s a half meter diameter log) 7.68 m/s chain speed allows completion of tasks in a controlled manner Chain brake stops in less than 1 second for added safety Variable speed trigger, no need to pull-start, single-handed activation and improved control Secondary aux-handle for increased balance and control Auto oiling reduces maintenance Comes With: DT20665 30cm chainsaw chain and bar Specification: Interchangeable Battery: YES Bar length: 30 cm Lock-off switch: NO Charging current: 1 A 2nd Handle: YES Cuts per Charge: 140 Oil level window: YES Oil Capacity: 110-120ml L Non slip grip: YES Sound Power Uncertainty: 96.5 dB(A) Sound Pressure Uncertainty: 76.5 dB(A) Hand/arm weighted vibration: 3.5 m/s2