Most compact: space-saving design and light weight of just 2.3 kg make cleaning effortless and flexible; Extended runtime: the exchangeable battery pack allows you to extend runtime if necessary; Power for ALL System: the battery pack is part of the Bosch Home & Garden 18-Volt cordless system (green product line); Made in Germany: high quality standards and thorough testing for enduring satisfaction; Effective cleaning: AllFloor Power Brush and compact DigitalSpin Motor let you clean on all kinds of floors