Brushless motor: for strong cutting performance with low noise and without exhaust gases Versatile cutting: 40 cm blade for continuous cutting of beams, timber and thick branches OPTICUT TECHNOLOGY: Automatically adjusts speed and torque to avoid blocking under high load AMPShare: compatible with the Bosch Professional 18V system and with the cross-brand AMPShare battery alliance Box contents: GKE 18V-40, chain cover, key