答：LED is Light emitting diodes (LEDs). They are based on solid-state lighting technologies. LED life time can be up to 10 years and are much more energy efficient than conventional lights.
问：What kind of LED chip does ProMEMS use for LED products?
答：ProMEMS does not sacrifice product quality for price. We use the best quality LED chips in the industry. For Par30/38 spot lights, we use Cree XRE hign brightness LED chips. For T8/T5 LED tubelights, we use Epistar's SMD LED chips.
问：What kind of product warranty does ProMEMS provide?
答：ProMEMS offers 3 years limited product warranty for most of our products.
