Refer to the instructions here on how to setup the gyro for best performance

This is the Hitec HG-5000 Micro Heading Lock Gyro
and HSG-5083MG Micro Digital Tail Rotor Servo.

FEATURES: Gyro Features;
Optimized high response narrow band Hitec signal
Universal signal selectable, functions with both analog and digital
servos
Auto detection for any transmitter and receiver
Precision control technology for heading lock
Remote gain adjustment
Self diagnosis function
Low power consumption (20mA)
Extreme tolerance against disturbance and vibration
Easy data setting and simple LED display
Micro Digital Servo
Optimized for 400-600 class EP helicopters
All metal gear applied (1st MP gear)
Non-programmable

INCLUDES: Hitec HG-5000 Micro Heading Lock Gyro and HSG-5083MG Micro Digital
Servo, instruction

REQUIRES: Assembly and adjustment onto the helicopter

SPECS: Gyro;
Size: 0.86 x 0.86 x 0.43" (22 x 22 x 11mm)
Weight: 0.35oz (9.9g)
Power Consumption: 20mA

Micro Digital Servo;
Size: 1.14 x 0.51 x 1.18" (29 x 13 x 30mm)
Weight: 0.74oz (21g)
Torque: 20.85 oz.in @ 4.8V
Speed: 0.07 sec/60° @ 4.8V