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.
Motion speed:0.06 sec/60°(5V)
Rating voltage:DC 4.8-6V
1520μs standard band
DS155/150 Servo rudder piece x 1
Socket button head self tapping scre x 1(T1.5x3mm)