This is the Futaba GY701 Gyro. FEATURES: Utilizes MEMS (Micro ElectroMechanical System) technology to ensure ultra high-speed processing, advanced PID control algorithm and consistent pirouette rate and yaw control Combined heading hold AVCS gyro and head speed governor Sensor has aluminum alloy metal case and 2-color mode indicator LED 3D and F3C mode selectable One year limited warranty through Futaba beginning at date of purchase INCLUDES: Control amp and sensor, instruction sheet, mini screwdriver, mounting pads, dust cover and two extensions REQUIRES: Installing in heli and connecting to receiver SPECS: Size: 0.83 x 0.83 x 0.31" (21 x 21 x 8mm) Weight: 0.33oz (9.4g)) Operation Range: +/- 1,200 deg/sec Supported Servo Types: Digital 1520µS Digital 760µS COMMENTS: NOTE: A governor, if purchased separately, WILL NOT WORK with this gyro. If you intend to use a governor with this gyro, you must purchase the package that includes the gyro: Futaba GY701 Gyro w/Governor (FUTM0822). jxs 08/19/10 ir/jxs