This Lunera HID LED vertical lamp is a LED replacement for a metal halide or high pressure sodium lamp. It replaces lamps with a mogul E39 screw base up to 175W. This plug and play LED lamp is intended for Type a, ballast driven installations. Simply install it without any fixture re-wiring. It operates off of the existing HID ballast. It's ideal for a facility team DIY project to quickly retrofit a facility with minimal disruption to the business. The lamp delivers up to 69 percent in energy savings, higher fixture lumens over the life of the lamp and superior light quality. It also integrates surge protection up to 7KV, eliminating the need for external devices. Popular applications include low Bay pendant, recessed or surface mount fixtures.