Specifications Other Informaton Scales HO DH165Q1 Instructions Current Rating 1.25 Amp (2.0 Amps Peak)   Size 2.877” x .667” x .173” 73mm x 16.9mm x 4.4 mm Application - Board replacement decoder for Locomotives that had QSI Factory Sound. Also, BLI Stealth Models Installation Board Replacement Decoder SoundBug Compatible - Sound Upgradable Function Outputs 6-500mA   Function Type FX3 Guide to Digitrax Function Classifications Features Series 3 Guide to Digitrax Features

This is a board Replacement Decoder. Remove the factory board and install this one in its place. This board can be upgraded to include sound using the SoundBug Module. Replaces QSI sound in BLI, Atlas, LifeLike, Proto and others. Upgrades BLI Stealth Locomotives to DCC with optional SoundBug sound.