This item is a Bosch rotary hammer drill, likely model GBH 2-26 or similar, packaged with accessories in a carrying case.
Power: Features powerful motors, typically ranging from 600W to 800W for heavy-duty drilling and chiseling.
Technology: Uses SDS-plus chuck systems for quick bit changes and electro-pneumatic piston mechanisms for increased impact power.
Functionality: Offers three-mode operation: rotary drilling, hammer drilling, and chiseling.