Key product features: Precise sawing: 1800 watt motor and quality chain. Easy to use: SDS system for easy changing and tensioning of the chain. Quality: robust design for long lifetime. Other product advantages : Very lightweight and handy. Bosch SDS for tool-free chain replacement and tensioning. 9 m/s chain speed for optimum cutting performance. Rapid-reaction kick-back brake (Quick Stop). Sturdy design for long lifetime. Ergonomic handle for both sawing and felling. Steel tines for a firm and secure grip. Large oil reservoir (200 ml) with level indicator. Steel chain safety catch bolt.