150W electric ballast 1.CE/ROHS 2.energy saving 3.high PF>0.99 4.Short-Cut protection, over voltage protection. 150W electric ballast1.CE/ROHS 2.energy saving3.high PF>0.994.Short-Cut protection, over voltage protection5. main components are imported.Features:1. it makes light source work without stroboscopic.2. by outputting a constant light source,color temperature remains stable.3. lamp life ...