Bosch GBH 18V-40 C Professional SDS-Max Rotary Hammer with BITURBO brushless technology, delivers cordless freedom with corded performance. It provides an optimal power-to-weight ratio due to an improved impact mechanism and highly capable drive train.  KickBack Control reduces the hazard of sudden tool reactions in binding conditions thanks to automatic shut-down of the tool. A user interface with Bluetooth connectivity displays the real-time status of the tool. Different working modes can be selected and optionally configured via Bosch Toolbox app. It also features Soft Start technologies as Electronic Precision Control (EPC) and Adaptive Speed Control (ASC) for comfortable and precise work processes when drilling and chiselling, an LED light, variable speed, lock-on button, and Vario-Lock. Compatible with all Bosch Professional 18V batteries, including ProCORE18V batteries and chargers (Professional 18V System). For maximum power use ProCORE18V 8.0 Ah. Also compatible with AMPShare, the multi-brand battery alliance. Specifications: Tool Holder: SDS-Max.No Load Speed: 0-360/min.Impact Rate: 0-3,130/bpm.Impact Energy (according to EPTA 05/2016): 9 Joules.Drilling Diameter: Concrete with Hammer Drill Bits 12-40mm, Opt. app. range 18-32mm.Weight: 7kg excl. battery.