Control lights with the flick of a switch. Rocker style on/off switch plugs into Light and Expansion Hub Ports. Control the power to lights on a Light Hub, an Expansion Hub or control lights on multiple Hubs. Use multiple switches for various lighting configurations. Adhesive-backed for easy mounting. Easy to install into main control panel, if desired. Kit Contents 1 - Auxiliary Switch (1-5/8" w x 1-5/16" h x 7/8" d) with 48" (121 cm) cable 1 - Double-sided Mounting Tape 1" x 2 1/2" (2.54 cm x 6.35 cm) 2 - Mounting Screws Instructions Powering Your Light System You will need one Just Plug Power Supply (JP5770) to power up to 50 lights on your light system, or if you want to power your system from a train power pack, purchase Connecting Cables (JP5760). Just Plug™ Lighting System No electrical knowledge or special tools needed...just plug and you're done! The Just Plug™ Lighting System is a quick and easy way to add realism and interest to new and existing layouts and other projects. Individual bulb brightness can be controlled, and the modular design allows for easy expansion. Just Plug is compatible with DCC and works for any scale.