This is the Futaba GY701 Governor.

FEATURES: Organic Light Emitting Display (OLED) 128 x 36 dot graphical display for easy outdoor viewing in bright sunlight Advanced PID control algorithm and consistent pirouette rate and yaw control Mode selectable for governor or rev limiter Easy for anyone to program with both Basic and Expert menus Updatable firmware and software using the CIU-2 PC Interface-not included, order FUTM0951 Compatible with analog or digital servos One year limited warranty through Hobby Services beginning at date of purchase

INCLUDES: Futaba GY701 Governor with Instruction Manual, three Sensor Mounting Stays, Adjustment Screwdriver, Governor Sensor, Red and Black Extensions, two Magnets, Sensor, TX and Governor Labels

REQUIRES: Installing in model, connecting to receiver and mounting magnets and sensor

SPECS: RPM Range: 1,000 - 3,000 RPM Length: 1.73" (44mm) Width: 1.14" (29mm) Height: 0.47" (12mm) Weight: 0.459oz (13g) Maximum Operating Voltage: 3.8 - 8.4V DC Current Drain: 80mA Selectable Servo Frame: 70Hz, 280Hz and 570Hz (gyro only) rate Flight Mode: User selectable F3C or 3D (gyro) Control Resolution: 0.1Hz (6RPM) engine speed Speed Stability Accuracy: 1% Speed Control Range: 1,000 - 3,000 RPM rotor speed Operating Temperature: 14° - 113°F (-10° - 45°C) Control System: Digital Advanced Control Sensor: Vibrating structure gyro/magnetic sensor (gyro/governor) Angular Velocity Range: +-1,200° per second