Check info by ebay search, listed by200/300/600 watt led grow light. Leds last 50,000 hours, this lasts 100,000 hours. Used. Bulbruns by magnetic induction, no filament to burn out. Bulblumens does'ntwear outso much over long period.Lit bulb appears white but has manufacturer MLandmodel # MLG2002, factory paper stating a addedpink tint (red spectrum). 680 nm - 730 nm stated on paper. More red than blue in original seller spectrum chart. Silent ballast, 6 feet cord to all alumium reflector, 3 feet power cord.2 feet long by 1 foot wide by 6 inch height; weigh about 30 pounds. Opens on hinge 1/4 inch glass cover. Insurance included. Shipped in orginal carton. Track number ASAP.