LED Down Lighting has constant current isolation driving power supply with functions of short-circuit, open-circuit and thermal protection. Elegant lamp appearance. After optical design, the mask is with a unique nano coating so as to ensure high light emitting rate, light uniform and soft. Unique heat dissipation design with good effect, the body temperature rise is less than 50°C. No noise, no flicker, eyes-protected, healthy and safe. Applicable places: libraries, houses, supermarkets, exhibition halls, corridors, factories, offices and other indoor spaces.