1,CE,RoHS,ISO9001:2008 certificate 2,Thickness only 9mm~42mm,;high brightness 3,Easily to change inside pictur Features:1. ... as single and double faced2. Applied Guide light technology, high brightness, and the light in whole surfaces is very evenly ... , low heat generation and long lifetime. 3. Strong applicability, easy in operation, can use different light resource in different voltage; 2.Widely ...