With the hand vacuum unit HS N 4000 other items that will be a smooth, flat and straight surface have sucked, in addition to glass. The plastic handle improves comfort during use. The warning indicator on the unit warns of impending vacuum loss. With the help of the pump cylinder, pumping can be carried out without loss of the remaining vacuum and with the valve release lever the load can be released completely and quickly. A carrying case made of plastic is included.