This is a 12" Servo Extension w/ JR, Hitec and Airtronics Z Style Connectors.

This extension goes between the receiver and the servo to make the wire longer.
On one end of the wire is a male connector and on the other end of the wire
is a female connector.

INCLUDES: One 12" (305mm) Long Servo Extension w/ JR, Hitec and Airtronics Z
            Connectors

SPECS:    Wire Gauge: 24
          Wire Color Codes-
            JR-                 Hitec-              Airtronics Z-
            Brown:  negative    Black:  negative    Black: negative
            Red:    positive    Red:    positive    Red:   positive
            Orange: signal      Yellow: signal      Blue:  signal
                                                                          ir/jl