... and constant power lighting. 4.Instant-on. Features:1.Metal lamp body with an electrostatic spray treated surface, is corrosion resistant ... long-term use.3.Applied with ELX’s 40W-80W circular tube induction lamp to provide a efficient, long life, good color ... factor, no flash, low loss and constant power lighting. 40W~80W Induction Ceiling Lamp(Fluorescent Light)