This is the Futaba GY 701 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
- Heading hold AVCS gyro
- 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

Kit contents:
- Control amp and sensor
- Instruction sheet
- Mini screwdriver
- Mounting pads
- Dust cover and two extensions

Specifications:
Controller dimensions: 44 x 30 x 12
Controller weight: 12.5 g
Sensor dimensions: 21 x 21 x 8 mm
Senzor weight: 9.4 g
Operating voltage: 3.8 - 8.4 Volts
Weight: 9.4 g
Operation Range: +/- 1.200 deg/sec
Supported Servo Types: Digital 1520 µS Digital 760 µS