... : 2years7. Soft start, good light consistency, no dark light8. .New inner high efficiency ( 95%) constant current driver, with heat protection system, can work ... present,Sunland products include T5,T8&T10 LED Tube,LED Flood light,LED Downlight, LED Bulb, LED Spotlight, LED Panel Light, LED Flexible Strip,LED Ceiling light,LED Wall washer ,LED underwater,LED Underground light,etc