Product Overview Installing the product requires installation of a certified electrician.Radio controlled light dimming module, designed to work with various types of light sources. May be connected to two-wire or three-wire conguration. Fibaro Dimmer 2 can switch or dim connected light source either through radio waves or through the wall switch connected directly to it. New Fibaro Dimmer 2 is equipped with an algorithm of smart light source detection which makes conguration easier and ensures high compatibility of the device. It features automatic overload protection switch-off and soft start function. In case of non-dimmable light sources only on/off function may be possible in 3-wire connection.Product features Compatible with any Z-Wave and Z-Wave controller Implemented algorithm of smart light source detection Active power and energy metering functionality Works with various types of switches momentary, toggle, three-way, etc. Soft-start function LED diode signaling inclusion status, calibration status and MENU levels Built-in Z-Wave range tester Dimmer 2 automatically senses faults in wiring, reporting excess temperature, burnt bulb, overvoltage and overload Advanced conguration optionsInstalling the product requires installation of a certified electrician.