... CE.UL.FCC testing standa Current design 8W light t51. Advantages :•Adopt the intelligent power control ... and low ripple improves the LED lamp's light efficiency, and decreases the luminous decay.•The ... which is imported from America as the light source.so it increases the lumens and stability ... lights are: led tube, led panel, led par light, bulb, ceiling light, spotlight. These products are with UL, CE, ...