Tank Modellbau ARM-02 B module for use with Heng Long RX14/RX18 main boards (not suitable for other boards), compatible with the Asiatam recoil unit.  Prevents recoil of the tank when firing, whilst allowing barrel recoil.  This version includes a light flash LED.   Cable length approx 15cm, requires 3 solder joints, fitting instructions (German language) are included.

Please note LEDs must always be operated with a suitable resistor, otherwise the LED can be destroyed.