This is a receiver for all DC locomotives with a total current draw of up to 1000 milliamps (motor 500 milliamps, each light 200 milliamps). It can be used for digital locomotives with a 6-pin digital interface connector. It can be used universally in the mfx and DCC formats. The decoder has automatic analog recognition. It also has automatic load regulation. It has connections for a light function. It also has overload protection. DCC operation: speed level selection 14/28/126 speed levels. Addresses optionally short up to 127 and long up to 10239. Braking operation: DC same/opposite poles, braking diodes, asymmetrical track signal, braking generators. Dimensions approximately 14 x 9 x 2 mm / 1/2" x 3/8" x 1/16".