1) More than 20000hours lifetime 2) One PCB can drive 2 lamps 3) With CE certificate 4) 3V/5V/6V/12V optional Application:It is usually used for ,CCFL uv lamp,CCFL angel eyes other CCFL tubes.You can using one inverterto drive one or two tubes as you like.This CCFL waterproof inverters have 3V,5V,6V and 12V. DC12V PCB for CCFL uv lamp