General characteristics Lamp type Compact fluorescent - plug-in Bulb Half spiral Base E27 Wattage 11/13/15w Voltage 110-130/220-240v Rated life 5000hríí Primary application Facilities; retail display; hospitality; office; restaurant; warehouse Photometric characteristics Initial lumens 540/630/720 Mean lumens 520/600/680 Nominal initial lumens per watt 49/48.5/48 Color temperature 2700/4200/6400 Color rendering index (cri) >=80 Size and packing Length(mol). 91/95/100 Tube dia(mm): 7 Diameter(mm): 40 Qty/ctn(pcs): 50 Carton size(cm): 57*24*13/14/14.5