The HBX 400 is using 400 watts and can be hooked up from 120-277 volts. At 57,200 lumens and 5700k, it is the most powerful light we offer. It comes with a hook mount and wiring pig tail for your convenience. The chassis is also equipped with a 6kv surge protector to help with voltage surges and irregularities that may come with other equipment turning on and off. It has the highest level of dust protection, and can withstand low pressure water jets from all directions with an ip65 rating. It is DLC listed, so it qualifies for any rebates that your power company may be offering. This chassis also boasts a 5 year warranty.