This is a Futaba Air dual servo gyro. Ultra-light and incredibly compact, GY440 Series gyros offer the setup ease you want, combined with the features you need. Each has a 3-pin male connector and a trimmer that limits servo travel or gain adjustment. Information is displayed clearly with green and red LEDs, and they're all S.Bus and S.Bus2 compatible.
For dual aileron or elevator control. Compatible with either analog or digital servo use.
Dimensions: 13/16 x 13/16 x 7/16 in (21 x 21 x 11 mm)
Weight: 0.13oz (3.7g)
Operating voltage: 4.0 - 8.4