Replacement for Discontinued VIPER 487V 2-Way Remote Control Transmitter Item offered is NOT the 487V which is discontinued. It is the manufacturer's recommended replacement remote for all systems that used those models Photo is of remote offered 2-Way authentic VIPER Remote Made for 571XV, 671XV, 871XV Viper Systems 437V, 567V & 572V are corresponding manufacturer's part #'s for these systems