This is the HS-55 Sub Micro Servo from Hitec. This version of the servo has a universal connector which will fit Airtronics, JR, Hitec and Futaba receivers (be careful with the polarity of the connector for Futaba radios).
Specifications:Speed: .17 sec/60 degrees @ 4.8V - .14 Sec/60 Degrees @ 6.0VTorque: 15.27 oz-in @ 4.8V - 18.05 oz-in @ 6.0VWeight: 0.28 ozLength: .89" (22.8mm)Width: 0.45" (11.6mm)Height: 0.94" (24mm)
