The Inovonics four zone add-on receiver with relay outputs programs and supervises up to four Inovonics transmitters. This receiver includes Form C relays for each output, allowing connection to any hardwire panel or stand-alone wireless applicationProduct Features LEDs allow the user to view the current status of all four transmitters Outputs can be configured in follower, latching, momentary, or toggle modes independently Case tamper protection, jam detection and internal antennas for a secure wireless implementation