USD29.99JR/DFA G-tune ADPRM 122.96PriceOut of Stock【Spec】Dimensions:14x25x41mmWeight:10gOperating Voltage:4.5-8.5vPower Consumption:Max150mANumber of servo outputs: 6【Setting Guide Movie】STEP1>Bind STEP2>Calibration STEP3>Gyro Reverse TX Gyro Gain Setting TX Calibration Function