Will fit Tokyo Marui M16 / M4 / Type 89 / SCAR-L / SCAR-H AEG
Feature: SBD is minimum size, easy to store. SBD is protecting the switch to long life. The trigger response will be more stable.
How to install: Connect the red wire of SBD on the motor red side & the black wire on the other side.
Note: EG700 or EG560 motor can not fit.