E2 series kinetic switch adopts MEA (Micro energy acquisition) technology, converting kinetic energy from user's press into electricaeneray efficiently , lt based on ISM (lndustrial Scientifc Medical) freauency band.Work throuah Edition Ebelona1.1 (communicationprotocal,lt allows more than one unit to be paired each other in the set, achieving the use of two-way control, multiple units controlone. one control mu tiple units. Switch can be mounted on the wa by sticker, bottom plate fixed or bracket fixed