Can be directly used for the exchange of 220/240 Vac, because it can be directly converted to AC DC. Applications can then direc ·90~240VAC input, standard E27 socket.·The total power is 5W, luminance is 500LM. ·Super high efficency, energy saving. ·Perfect replace for normal energy saving and incandescent bulbs. ·Long working life, up to 50,000 hours.