The Digitrax LT1 Decoder and LocoNet Cable Tester is a new in original packaging power supply for model railroads and trains. This black decoder operates on DC power and has a wattage of 100 W, suitable for adult hobbyists aged 17 years and up. Manufactured in 2013 by Digitrax in the United States, this digital control system is designed for HO gauge model railroads and provides a maximum allowed voltage of 21 V DC peak with a 100 Ohm 2 Watt resistor for operation. The Digitrax LT1 Decoder is a reliable and efficient addition to any model railroad setup.    (An Al description)