Electronic 3 stage speed adjustment for a flawless finish 2.0mm orbit diameter for efficient removal of work piece material Auto-start Wireless System (AWS) bluetooth connection with compatible vacuum 185 x 92mm pad size with spring loaded paper clamp Ergonomic grip design for comfortable use single or double handed Benefits: 3-stage electronic speed control via push button Constant speed control Brushless motor Tool-less paper clamp Detachable front grip In-built dust extraction mechanism Connectable to dust extractor Auto-Start Wireless System (AWS) - connects to compatible dust extractors with Bluetooth. The dust extractor automatically runs while the switch is on. Includes 10 Sanding Sheets No Batteries or Charger Included.