Metal Halide 800 Watt Conversion Kit with Bulb 800 Watt Output Conversion Kit with 150 watt Metal Halide Bulb. This unique unit allows the conversion of any standard E-27 ceramic lamp socket to a 800 watt metal halide 5200K output. The unit is light weight and includes a 5200K metal halide 150 watt lamp that produces light equal to 800 watts compared to an incandescent lamp. The ballast is electronic and housed in a metal case that easily attaches to a light stand. Just plug the cord from your light into the ballast and the cord from the ballast into standard 110 volts. Like all metal halide lamps it takes a few minutes to come up to full light output.