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, instructions
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