This is Digitrax DZ126T Decoder Tiny Series 6. 1 Amp Tiny Series 6 decoder for Z, N & HO. All the great features and reliability of Digitrax decoders in a tiny package that will fit almost anywhere!
Its key features are: 0.55 x 0.28 x 0.128 (14 x 7.13 x 3.25 mm) Works with Z, N, and HO scale locos 1 Amp/1.25 Amps peak motor current rating ...