www.zs-komsa.com it supports 6+6 series of scene -setting up, plus 12 series of independence control system +one lighting -adjustment system. It also has a powerful ability of control equipements max 16 sets. voltage : AA 3VDC transmitting power : <10mW tansmitting frequency : 433MHz sensitivity : <105dB back -up light SOS function T measurement & time setting-up dimension : 99*52*12mm