1. For pumping empty, pumping dry and circulating fresh water or dirty water from containers, tanks or flooded cellars 2. For garden irrigation from water reservoirs 3. Double seal system for protection of the pump if the water is particularly dense or contains large particles 4. Overload protection: protects the motor from overheating 5. Adjustable float switch for automatic mode 6. Robust housing made of impact-proof plastic 7. Ergonomic handle for comfortable transport