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 ¡ãC.
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 ¡ãC.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 ¡ãC now.In the
condition,the LED have a prefect life span.
More detail,please contact me by e-mail:jenny@edlite.hk

Jenny
Edlite company limited