Digital Bathroom Scale | ADE BE 2008 Kira Press the display briefly and strongly three times – then the kinetic dynamo principle of the Kira bathroom scale is activated. It shows the weight – without battery! It could hardly be more environmentally friendly. The weight information appears on the aluminum-look LCD display while you stand on the weighing surface made of tempered safety glass. Equipped with the high-precision strain gauge sensor system, the personal scale Kira delivers the current weight, optionally in kg or lb.