20W LED Track Lights adopt COB Bridgelux or Luminus as LED source.
20W Led Track Lights 20W Dimmable LED Track Light, 20W Mini LED Track Lighting, 20W Commercial LED Track Light, 20W Color Changing LED Track Light SHENZHEN KEHEI LIGHTING TECHNOLOGY CO.LTD , https://www.keheiled.com
Up to now, the number of LED display advertisements for the joint operation of the linked culture has reached 81, covering 14 provinces including Guangdong, Jiangsu and Zhejiang, and 3 municipalities directly under the Central Government of Shanghai, Chongqing and Tianjin, covering a total of 35 cities.
The advertising point of Linkage Culture with outdoor LED display advertising time will continue to expand. It is expected that the number of LED display advertising points that can be put into operation by the end of March 2013 will reach 150. 
20W Led Track Lights with international 2 wire, 3 wire, or 4 wire track connector.
CCT: 2700K to 6000K are available.
Function: Non-dimmable, dimmable and CCT changeable are available.
Types: DALI system, 0-10V systerm, Dial Switch, guide rail with power supply etc.
Beam Angle: High reflectance diffuser (Lens+Reflector) with 12° / 24°/ 36° for choice.
Dimension of 20W LED Track Lights: Φ80mm, 211*190mm
Finished Color: Matt White / Black / Silver etc.
High luminance flux: 1550lm
High CRI: >90
Input voltage: AC110/220V 50/60Hz
Certification: CE RoHS
Lianjian Optoelectronics LED advertising network was initially completed
It is reported that the operation of Lianjian Optoelectronics' linkage culture has made great progress, and the operation center, resource development, marketing and marketing personnel have been basically in place. In addition, with the increase of LED display advertising, LED advertising network has begun to take shape. Embryonic shape. The linkage culture entered trial operation in January 2013, and some customers have already placed advertisements on the LED advertisement network.