4 Pack: Ecobulb Soft White 65 Watt Equivalent Energy Saving CFL Light Bulbs Use 77% less energy than 65 watt Incandescent Reflectors Last up to 10,000 hours These bulbs are RoHS (Restriction of Hazardous Substances) compliant which makes them safer It have Lead-free outer glass and PC Board with solderless base. Can be used in high temperature applications such as insulated ceiling airtight recessed can fixtures (ICAT)