... up to 60%, 2.High brightness,even lighting output 3.Instant start ,no flickering ,no humming. Energy save up to 80 ... % , high brighness ,even lighting output ,long lifetime.Instant start ,no flickering ,no humming.New and high efficiency constant ... .UV-free ,conforming to RoHS. SMD3528, Back side and side light all avilable. Testing Room Showing Room Dimmable and RGB showing ...