Product Features:Input Voltage: 220-250V AC 50/60HzWattage: 4WAvailable in BC (Bayonet) or ES (Screw)Life time: 25,000hrsPower factor: ≥0.4Aluminium heatsink42pcs Epistar SMD2835 LED ChipsAmbient Temp: -20°C ~ +50°CNot suitable for dimmingIP42 ratedWarranty3 year replacement warranty..