1, More than 20000hours lifetime 2,One inverter can drive 2 ccfl tubes 3,With CE certificate 4,Rated voltage:3V/5V/6V/12V etc Application:It is usually used for CCFL angel eyes and also can be used on the any 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. CCFL lamps universal using inverter/ballast 3V/6V/12V