1, 9w led down light dimmable 2, 5X1W/5X3W 3, high power led 4, ww,nw, cw 5 ... loss, high precision constant current circuit, increased power efficiency, ensure load stability.5.High luminous efficiency ... low optical attenuation, low power, high efficiency, high anti-static high-power light sources, energy saving and ... 50-60Hz2, Output Current:350-700mA3, Light source:LED4, Power:5×1W/5×3W5, Color: WW ...