4PCS Leader Lead E27 SMD 4W 320LM Warm White 3000K Light Bulb LED Corn Light Bulb (110V) 4pcs 4W soft warm white corn light. Stadard E27 screw base, easy intall and fast replacement. With small volume and will not be damaged easily,and is widely used. Perfect for home lighting,office lighting,exhibtion lighting and decoration lighting. Lifespan is up to 50000 hours.