ensures sustained performance right up to the last minute without loss of performance, when fully charged, the device automatically switches to trickle charging, protects the battery cells and ensures maximum service life, flashes when charging and lights up constantly for a brief moment, the wide suction nozzle effortlessly sucks even coarser ones Dirt such as animal feed or muesli, special rubber lip for wet suction function to absorb liquids, hygienic filter technology with replaceable and washable filter