... ,GS high service ,high quanlity,OEM service compatible product :LED dimmer Features:1.LED Built-in Drive Power ... design ,long life span , 2 years warranty The product specification:ItemSpecificationsModelRJ-9Modulation stylePulse frequency modulation type(PFM)Transistor ... Output voltage accuracy3%Voltage adjust rate2%Load adjust rate2%product size54X37X22mmproduct certificationCE,UL,TUV ,GS 9-12W drive ...