This document discusses an LED retrofit product called LED Mercury that is designed to directly replace HID mercury lamps. It has an E27 base and similar shape as mercury lamps. Key features include a 35W LED lamp replacing 80W or 125W mercury lamps, with up to 4800 lumens output, 60-75% energy savings and 2x longer lifespan. It can operate on mains voltage or with mercury ballasts. The product provides plug-and-play retrofitting of mercury fixtures with significant energy savings and payback periods of less than 1 year.