This is david from OKT lighting.
My pleasure to show you how to install our commercial 277V downlight .
We are top LED downlight manufacturer in China。
We mainly do North American market,all products are UL listed.
We commited to help clients get rebate.
we have 10 type Energy Star downlight and 9 type DLC products.
We are very professional ,since we only produce high quality LED panel light/downlight/Tubes.
We provide good after-service,all our products(except some tubes) have 5 years warranty.
And we are going to have a oversea warehouse in US.
Let our high quality products help your business booming.
More info ,you can visit our web: www.ledpanel-light.com