This is called a *Trans - Control Gear* for sodium and metal halide lamps. What's in the picture: - *Brand:* GENEX, Made in Italy - *Model:* GX 150 - *Function:* It powers HPSV and 150-watt metal halide lamps, such as streetlights and large floodlights. You cannot power the lamp directly from 220 volts; this device is necessary.