S2 series kinetic switch adopts  MEA (Micro energy acquisition) technology, converting kinetic energy from user's press into electrical energy efficiently 。It based on ISM (Industrial Scientific Medical) frequency band. Work through Edition Ebelong1.1 (communication protocal)。It allows more than one unit to be paired each other in the set, achieving the use of two-way control, multiple units control one,  one control multiple units。Switch can be mounted on the wall by sticker, bottom plate fixed or bracket fixed