Radio controlled light dimming module, designed to work with light sources of any type. May be connected to two-wire or three-wire cable. Fibaro Dimmer 2 can switch or dim connected light source either through radio waves or through the wall switch connected directly to it. Automatically senses connected device, features automatic overload protection switch-off and soft start function. Works as a dimmer or as a connector, with two-wire or three-wire cables. In case of old type fluorescent light sources or old type transformers, only on/off function may be possible.