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JOI uses thermoelectric technology to convert a temperature difference into electricity. At the center of JOI is a unique thermoelectric module. The patented JOI design activates its LED lights by creating a hot side and a cold side on the module and when this happens a principle called the “Seebeck Effect” causes electrons to flow within the module. Thermologi provides magical solutions for life's enjoyment. All Thermologi products use patented thermoelectric technology to produce electrical power from heat. Thermologi products create a sense of wonder while delivering functional power to solve consumer needs on various scales – from producing light or powering cell phones to charging battery reserves and operating small appliances. Thermologi’s first product is JOI, a revolutionary new lighting centerpiece for the outdoor living environment. Combining style with thermoelectric technology, JOI magically transforms the energy of a simple tea light into enough light to illuminate the entire outdoor dining table. No batteries, cords or solar hassles. Joi brings light to where there has never been light before. Thermologi products provide real solutions – not gimmicks or gadgets. They are easy and safe to use. You can depend on them to deliver what we say they will do. Thermologi is owned and operated by Caframo Limited who has manufactured high quality consumer products in Canada since 1955.