Single 1.03 x .63 x .19" 26 x 16.5 x 4.7mm

 
These units provide a direct plug-in to Athearn and other locos equipped with NMRA 8 pin DCC and include Silent Running torque-compensated motor drive for ultra smooth low speed performance. Motor rating 3/4 Amp continuous, 1.2 Amp stall. All four function outputs have lighting effects generators. Measures 1.03 x .63 x .185" 26 x 16.5 x 4.7mm