Simple direct replacement for ordinary light bulbsí¬suitable for any existing light bulb fitting Up to 80% energy savings with greater luminous efficacy than ordinary light bulbs 8, 000hrs of life time-6 times longer than ordinary light bulbs Wide color temperatures (2, 700k-6, 400k) for choice Ultra mini size fits most fixtures-table, recessed light, corridor light, wall sconce. Es (e27) = d:58.5mm l: 104mm