Опубликовано в "Торговля, Торговля", язык - English. 11 страниц.
It is pleasure to announce that Seda's WAVEL series LED high bay lights unveil its unique and revolutionary optical design to have beam angle changeable, no need to change lens but simply rotate slide block to have three beam angles interchanged between 60 degree, 90 degree and 105 degree. Еще