The Philio Insert Switch allows controlling two independent loads both wirelessly via Z-Wave and locally utilizing a traditional wall switch. Thanks to its calibration technology the PAN04 cannot only be used to switch AC devices ON and OFF, it also works perfectly with many kind of light, e.g. incandescent, fluorescent and LEDs.This insert switch module has a power meter function and is able to detect instant power wattage and accumulated power consumption. In addition to this, the PAN04 features an overload protection. The device is placed in a wall box right behind the normal switch. The switch is not longer directly connected to the load but acts as input device for the insert that is controlling the load. This device is designed for a 3 wire system and needs a neutral wire in the wall box.