18V Brushless AWS 18mm Rotary Hammer. Powerful Brushless motor delivers 1.7J. of impact energy to handle the most demanding applications. Anti-Vibration Technology (AVT) is engineered to reduce vibration for increased comfort. Constant speed control automatically applies additional power to the motor to maintain speed under load. Extreme Protection Technology (XPT) is engineered for improved dust and water resistance for operation in harsh conditions. Auto-start Wireless System (AWS) which utilizes. Bluetooth technology for wireless power-on/off communication between tool and dust extractor. Compatible with DX05 optional dust extractor.