PX112-10 Power Xtender For HO Scale 10 Pin Sound Decoders Keeps locos & sound running during power interruptions caused by dirty or bad track. Hold up time varies based on decoder load & track conditions. Use with Digitrax Series 6 Decoders with 10 pin sound harnesses such as SDH166D & SDXH166D. PX Body Size 1.575” x 0.547” x 0.315” Specifications Size 1.575” x 0.547” x 0.315” (40 x 13.9 x 8mm) For Use With Series 6 HO Sound Decoders with 10 pin interface Original Release Date 11-13-2013