Sylvania MINI-LYNX SPIRAL is a range of compact fluorescent lamps with a self-contained control ballast in the base. This means that MINI-LYNX SPIRAL can be used as a direct replacement lamp for less efficient incandescent light bulbs., , Energy efficiency: very good, Average life: 6,000 hours, corresponding to around 6 years at about 2.7 hours per day, Very compact dimensions, Colour rendering: good (Ra = 85), Mercury content: low (< 3 mg per lamp), Manufacturing plants are certified according to the ISO 14,001 international standard for environmental management, Production in Europe and Asia, , Application notes, , Direct retrofit for GLS lamps, For professional and domestic use, Not suitable for use with dimmer or photocell switches,