Shenzhen Drucker Optoelectronics recently released a series of newly developed LED dimmable recessed lights in 2013, ranging in size from two inches to eight inches of mercury.
The newly released dimmable recessed light provides soft and comfortable light color for home lighting, high color rendering downlight for improved product display, suitable for commercial lighting; two-inch mini recessed light for cabinet display lighting Provides efficient illumination while being small.
In terms of product parameters, the recessed lamps are available in 2, 2.5, 4, 6 and 8 inches. The operating voltage is 195 volts to 264 volts, and the color temperature is 2700K, 4100K and 5700K. Some models support a sophisticated three-pole AC switch dimmer for dimming. 
LED dimmable downlights released by Drucker
AST Industry Co.,LTD , https://www.astsoundchip.com