The AT42K NG-TRX radio actuator mimics the status of 4 outputs of a connected control unit. Using the NG-TRX radio technology, it is able to activate and control home automation devices such as lights, shutters or irrigation sprinklers that have been associated to a compatible EL.MO. intrusion detection control unit. AT42K is equipped with one 16 A power relay and three 6 A power relays.