If you want to control 110-volt props (rather than 12 or 24-volt props), simply attach this adapter to your Houdini controller, and plug it into the wall. Now you have two programmable outlets for...

2.1 x 5.5 mm male or female wire adaptor. Fits alll Ghostlights, and nearly all 12-volt props and cords. Choose male or female.

Fill your own portable CO2 tanks from a large tank with this adapter. Requires a scale to weigh the tank as you are filling.