This is the Futaba GY430 Helicopter Rate Gyro. FEATURES: Lightweight micro gyro developed for RC helicopter rudder (yaw axis) control Remote gain adjustment Mode switching function allows AVCS/NORMAL gyro mode switching S.Bus and S.Bus2 compatible Sensitivity Trimmer, LED Monitor, Servo Selection (1520uS, 760uS), S.Bus and S.Bus2 connection functions One year limited warranty through Hobby Services beginning at date of purchase INCLUDES: Futaba GY430 Gyro, Red and Black Extension Cords, Wiring Strap, Mini Screwdriver, two sections Sensor Tape and Instruction Sheet SPECS: Gyro Sensor: MEMS vibrating structure gyro Operating Voltage: DC4.0V - 8.4V Current Drain: 30mA (excluding a servo) Operating Temperature Range: -10°C to +45°C Dimensions: 0.81 x 0.81 x 0.43" (20.5 x 20.5 x 11mm) Weight: 0.12oz (3.5g) jxs 10/02/12 ir/jxs