DIYmall HJ Digital RC Servo Tester ESC Consistency Tester Speed Controller for RC Helicopter Airplane Car Motor Throttle Display

1 X HJ Digital Servo Tester / ESC Consistency Tester

4CH tester servo: It can control 4 servos at the same time

50H analog servo signal cycle 20us frequency 50Hz,125H digital the steering gear a signal cycle 8us frequency 125Hz

250H Digital Servo signal cycle 4us frequency 250Hz