... saving lamp 1.High power 285w 1.Energy saving up to85%,RGB rare earth phosphor 3.1 year warranty 4.Free sample 12U high power energy ... !Quality warranty one year ! 1.High power factor:Power factor is more than 0.98, reactive power loss close to 0. 2. ... , large capacity IC chip, ST mosfet, negative temperature coefficient magnetic components.11.No stroboscopic, anti-glare, low-temperature start, ...