... , B Blue, W WhiteLifeAbout 40,000hoursNote: Current limiting resistor of the LED need to be external linked. Refering ... resistance configuration table.Operating Voltage and Current limiting Resistor(Recommendation)Computational FormulaOperating Voltage U6V12V24V36VR=U-Ue/IeCurrent ... Limiting Resistor RR Y O210Ω, 1/4W510Ω, 1/2W1.2K ...