Computerized Dot Peen Marking Computerized Dot Peen Marking Bench Top Computerized Dot Peen Marking Scribing Units Computerized Marking Model Portable (Pneumatic) Computerized Models Portable (Battery Operated) Models Rotary Computerized Dot Peen Model Portable (Battery Operated) Models MKP-54 Specifications : Standard Bosch Battery & Charger Protective carrying case Bluetooth Connectivity Magnetic Base 70 mm X 30 mm 2.75” x 1.37” Same marking capabilities as our pneumatic models.