RF relay box NGJFM335C is intended for controlling two lighting groups. The lighting is controlled by wireless control between the RF relay box and the switch. In this box the wireless control based on Schneider´s CONNECT control system. Wireless control receivers by other manufacturers can be assembled into EnstoNet boxes as well. For bigger lighting loads it is reasonable to use the auxiliary relay box NGJRM33 instead of the RF relay box. The boxes can be engaged together by plugging. The single phase continuous through the box. Weight 278 g.