The full prismatic chassis is suitable for indoor and outdoor use. This light is using 190 watts and can be wired into 347 – 480 volts. With the hook mount providing 24,000 lumens and 5,000k it is a great replacement for 400 watt metal halides. This light also has a surge protector built directly into the driver and has dimming capabilities. 5 year warranty and dlc listed.