This is the Bachmann 36-570B OO Scale Plux22 DCC Loco-Decoder (with Brake Button function)

A Plux22 (NEM658) DCC Decoder suitable for models fitted with a Plux22 DCC decoder socket.

This decoder replaces item Nos. 36-570 and 36-570A and can be used in any model for which item Nos. 36-570 or 36-570A are recommended

Highlights include:

Multi-mode (NMRA-DCC format, Motorola protocol, DC Analogue and AC Analogue (Marklin)) with Back EMF function

10 powered function outputs (+2 servo or SUSI or logic level outputs)