●4g digital micro servos are special design for T-REX 150 DFC, features to increase micro helicopter control speed and precision, let the micro/indoor helicopter has same flight performance as large/outdoor helicopter.

●Suitable for T-Rex 150

●Stall torque:0.8kg．cm(5V)
●Motion speed:0.06 sec/60°(5V)
●Rating voltage:DC 4.8-6V
●Dimension:19.8x8.4x23.3mm
●Weight:4.3g
●1520 standard band