8 Independent Channel LED and Bulb Dimming unit Ideal for Hobbyists for Controlling the LED Filament Bulb lighting of Model Railways and Dolls Houses. It also has a great number of other general hobby lighting uses. Uses PWM software to correctly dim LED's The dimmer has 8 independent dimable outputs, these are extremely easy to set by adjusting each knob. On boad LED indicators display brightness settings. Each of the 8 outputs can power 500ma 2.1mm socket for power input. As fitted to most power supplies. Requires a 12 volt DC power input. Dimensions 118mm x 45mm Supplied with full instructions. . This product was designed by us and is still currently manufactured by us. We are therefore able to offer full technical telephone/email support if required. This item is.