Excellent lighting performance: LED high bay light series also has 1-10V dimming function, beam angle is 120 degrees.
Warranty: Use the most durable LED driver-the average well driver, and the soldering point temperature LED High Bay Light
http://duyas.com.tr/2014/12/25/he-be-spread-eagle-on-his-back-at-my-mercy/
http://www.plackner-wein.de/feinkost_langer2014/