Futaba GY401Heading Hold Gyro & 9254 digital servo  for R/C Model Helicopter up to .60size.

Has remote gain feature and transmitter-controlled switching to AVCS 

Operation is almost 4 times faster (270Hz) than conventional gyros

 Measures 1" x 1" x .8" (27x27x20mm), and weighs 0.6 oz (27g) 

Includes:   One GY401, One plastic adjustment screwdriver, Three mounting pads

One S9254 Futaba digital servo, One S9254 servo accessory hardware package

One instruction sheet

Servo S9254 

Speed: 0.06 seconds/60 degrees at 4.8V

Torque: 3.4kg-cm at 4.8V

Size: 40x20x36.6mm

Weight: 49g