This is the Digitrax DN163K4A 1.25 Amp N Scale Board Replacement Decoder.

Board Replacement Decoder for Kato N-Scale Glacier Express
1.5 Amp/2.0 Amps Peak Motor Current Rating
6 FX3 Functions-500mA Function Current Rating

Specifications
Current Rating-Motor - 1.25
Installation - Board Replacement
Function Outputs - 6-500mA
Function Type - FX3
Features - Series 5