LED Trail RoseCity Outdoor LED Corn Lights are fully encapsulated (IP64 rating) and allow you to replace inefficient bulbs into energy saving LED using top of the line components. RoseCity bulbs are offered in several wattages from 5W to 150W to replace existing CFL or HID bulbs that range between 25W and 400W. Requires removal of existing ballast and rewiring of the socket in existing fixtures.