... BULB, LED Lights 3. Over-current,over-voltage,short circuit protection,ROHS function4. Safety requirements Conform to UL1310EN60950UL60950GB4943 requirements 5. EMC standard ... %Power Factor≥0.85Dimension( L×W×H)63×30×16mmUsageLED Bulb light ,LED lightsMTBF calculationOver 50000Hours