H0 T66508 Locomotive Controller with a 230 Volt Power Supply.
This is a locomotive controller with a 230 volt / 18 VA switched mode power pack.
It has four-step speed control for slow acceleration and powerful increases in speed up to the maximum speed. The controller has a single-knob operation for setting the track voltage and for setting the direction of travel by turning the control knob from the center setting.
Locomotive controller dimensions: 130 mm / 5-1/8" (L) x 70 mm / 2-3/4" (W) x 50 mm / 2" (H).