... CE.UL.FCC testing standa Current design 8W light t51. Advantages :•Adopt the intelligent power control ... low ripple improves the LED lamp's light efficiency, and decreases the luminous decay.•The ... temperature and high temperature testing.•With the over-load, over-voltage, over-current and over-heat ... are: led tube, led panel, led par light, bulb, ceiling light, spotlight. These products are with UL, CE ...