ADC 5660E AdStation 5660 Wall System Extension ModuleWall mount extension module that allows you to expand your Adstation. Adstation Wall Extension Module features: Magnetic switch activates power when handle removed from cradle, automatically powers off when handle replaced. Handle CNC machined from solid brass, the handle is chrome plated in black with a ribbed surface for a sure grip Adtronic electronic rheostatic light intensity control provides infinite continuous control Adtronic auto off feature