... office lighting, grow lighting, etc. Advantage of our product-- induction lamp:(Ballast of induction lamp with UL,CE,FCC,EMC certificate) (1) Wide range ... ) which could replace of (80~1000W ) HPS lamp & MH lamp, energy saving 40~50%.Our induction lamp power is from 40W to maximum 500W ... most of other factories is -20~40°C. However, our induction lamp could work between -40~40°C. (3) Longer warranty ...