Using original Bridgelux chip, which ensure high efficiency, high brightness, high CRI, low degradation, energy saving and environmental friendly, can reach 90LM/W; no ultraviolet, no infrared, no Hg; use AC85-265V constant current isolated driver with CE approved, safe, environmental, stable and reliable; 50 000H lifespan ; no flicker or glare when frequently switch on/ off; good vibration resistance and heat dissipation; simple and elegant design.