... certification. LED Portable sample Case,Portble LED Light Case,led bulb suitcase we could do the case according to your design ... of the LED lamp with traditional lamp on the case. 2,. Could choose E27,B22,GU10,MR16,G9, ... Could choose the silver or black case,and we could also do the case according to your design1,Cool ... white watt meter is cheaper,it just could show:power,curent,voltage. LED Test Case