Pneumatic hammer drill mechanism. SDS-plus chuck and a 10 mm chuck with SDS adaptor. Impact: 1.0 joule, 0-4800 bpm. Variable speed: 0-900 rpm. Reversible. Drilling capacity Ø: wood 10 mm, steel 8 mm and concrete 10 mm. 14.4 V/1.3 Ah lithium-ion battery. Comes with charger, 3 x SDS-plus drill bits, 6 x drill bits, 20 x long screwdriver bits, 4 x SDS-plus screwdriver bits, and a case. Weight: 1.3 kg.