Gaugemaster Q Series EN60 742. No box or instruction manual, however I am sure the interweb bots can find one if required.
Gaugemaster Model Q Electronic Loco Controller 4 Track Boxed British Made
Gaugemaster Model Q Cased Four Track Controller (Analog)
Gaugemaster Model Q Four Track Cased Controller Twin 12volt DC Controlled Output
Gaugemaster Model Q Four Track Controller & Transformer
GAUGEMASTER MODEL Q FOUR TRACK CONTROLLER EN60 742
