Mirka? DEROS is a random orbital sander developed for effective and dust-free sanding. The smallest and most ergonomic direct electric sander on the market has a brushless motor that maintains a constant speed even under heavy load. Vibration values are the lowest in its class and the symmetrical design ensures a comfortable grip, so you can sand for long periods without fatigue. With an easy to operate lever, you can adjust speed in an instant. The separate on/off switch ensures easy and safe handling. An integrated vibration sensor and Bluetooth low energy technology means you can keep track of vibration, speed and usage data via the myMirka app.