1.E27 lamp holder,220-240VAC 50-60HZ 2.5730 LED chip to prolong lifetime 3.Stable color temperature & high lumens Product Description1.E27 lamp holder, 220-240VAC,50-60HZ2.Using constant current to control the chip, LED is working under constant current state to make sure of no flickering and long lifetime3.Using shading circuit to avoid current input under high voltage.Product Features1. ...