Bosch GBH 18V-34CF Professional SDS-Plus Rotary Hammer with BITURBO brushless technology, delivers cordless freedom with corded performance. Perfect tool control is ensured by its soft start function for precise chiselling during use and three different working modes (Auto, Favourite, Soft) provide the right setting for every job. The 18V-34 CF is also the smartest SDS plus hammer, displaying real-time tool status via its user interface and allowing for individual adjustments through Bluetooth connectivity to the Bosch Toolbox app. This tool is ideal for hammer drilling and chiselling in concrete, brick, and stone.  Compatible with all Bosch Professional 18V batteries, including ProCORE18V batteries and chargers (Professional 18V System). For maximum power use ProCORE18V ≥ 5.5 Ah. Also compatible with AMPShare, the multi-brand battery alliance. Specifications: Tool Holder: SDS-Plus.No Load Speed: 0-500/min.Impact Rate: 0-2,900/bpm.Impact Energy (according to EPTA 05/2016): 5.8 Joules.Drilling Diameter: Metal 13mm, Wood 40mm, Concrete with Hammer Drill Bits 8-32mm, Opt. app. range 12-30mm.Weight: 4.9kg excl. battery.