Drop in decoder for Kato N scale EMD SD90/43MAC ,SD 80MAC, RS2 and RCS2. Will also fit Walthers LL Proto N RS2 with minor modifiction. 4 Function with Auto Adjusting Back EMF and built-in onboard resistors for LED's and 1.5v . 2 Onboard superbright, golden white LED's. 1 Amp continuous motor drive, 2 Amp peak.
Dimensions: 2.7”x.4”x or 68.85 mm by 10.16mm