... and unstable light caused by ballast4.Integrated Multiple LED Cree chip with constant current, Taiwan meanwell power supply 5.Pure aluminum ... and ensure the output lumen flux.6.Lamp surface treated with anodization, corrosion-esistant, artistic appearance7.Cold light source, no ... , double protection, More safer . 150 pieces CREE LED chip,High-brightness,High quality,130lm/wOther series (30W-300W)All ...