Features of LED Down Light 3000K-6500K 100V-265V: 1. Using SMD5730 or as customer's request. 2. Using Isolated driver - more safe 3. Using good heat dissipation heat sink, extending life of LEDS. 4. lower light attenuation to 13%-14% in 2 year 5.led source,led downlight save more than 80% compare to incandescent lamp, save more than 60% compared to fluorescent light 6.constant current, low power consumption, electro optic power near 100%