In good used condition works as it should plenty of power made in China later version from a smoke free environment unboxed see pictures
Hornby Speed Controller
HORNBY SPEED CONTROLLER & WALL PLUG TRANSFORMER R.965 & R.964 - UNTESTED
YWBL-WH 2pcs USB Fan Speed Controller, DC 4 to 12V USB Fan Stepless Speed Governor Controller Regulator with Switch Module Input DC 4-12V to 2.5-8V 5W 5V
Hornby R965 Controller with transformer train speed controller
