Hobbymate AVCS Headlock Gyro for rc helicopter
Aluminum case, both compatible with Futaba and JR connector
Dimension(mm):25x25x15
Weight: 20g
Digital proportional R/C system
Operating voltage:4.8V-6V (common for receiver)
Operating temperature:-10℃~45℃
Operating current: 80mA
Functions: Minimizes changes in an aircraft attitude by wind
Angular acceleration commands used Sensor vibration proofing
Simple sensitivity adjustment

Part of Servos can be used:
Airtronics 94761Z (digital)
Align DS-510/410m/520
Atlas DS20-GMD
BMS-306BB
EFlite DS75 (digital)
Fusonic HB-D-02
Futaba S9650
Futaba S3110
Futaba S311
Futaba S3154
Futaba S9257 (digital)
GWS Fast HP Naro Servo - JR/Hitec Connector
GWS Park 19g analog
GWS Naro Super
HDS877
Hitec HS-50
Hitec HS-65HB
Hitec HS-81MG
Hitec HSG-5084MG
Hyperion DS11 GCB (Digital)
Hyperion DS12-GCP (digital)
InoLabs HG-D201HBAL (digital)
Inolabs HGD261
JR DS3517MG (digital)
JR 3400G (digital)
JR DS290G (digital)
Towerpro 9g anolog
Flying video:
http://v.youku.com/v_show/id_XMTQwMDIyODQ4.html