Joi Light, Heat Powered Table Light, A Revolutionary New Lighting Centerpiece For The Outdoor Living Environment, Uses Thermoelectric Technology To Transform The Energy Of A Tea Light Into Enough Light To Illuminate The Entire Outdoor Dining Table, No Batteries, Cords Or Solar Hassles, An Elegant Lighting Solution For Outdoor Entertaining, Functional & Decorative, Provides Ambient Or Area Lighting, Creates Its Own Electricity.