The M4 is a micro, 8 pin harnessed HO & N scale decoder. Provides 1 amp continuous and 2 amp peak draw. The M4 features the TCS exclusive auto-adjusting BEMF.
The M4 is a motor control decoder with four lighting functions (headlight, reverse light, and 2 extra functions)
Dimensions .567”x.359”x.135” or 14.4mm x 9.12mm x 3.43mm