If only sereral LED lamps,they can use for a very long time.10,000
hours is no problem.And this is availability only in condition that
the temperature of LED Lamp is about 20 =A1=E3C.
When the LED Lamp install in the slim light box,the temperature it is
impossible to be so low.Normally,it is up to 60 =A1=E3C.So ,it is serious
affect hte life span of LED lamp.
But here is a good news! We have found out a way to low the
temperature of LED Lamp ,it is only about 40 =A1=E3C now.In the
condition,the LED have a prefect life span.
More detail,please contact me by e-mail:firstname.lastname@example.org
Edlite company limited