Tegpro's Stove Lite Pro has all of the features of the Stove Lite Basic - place it on your hot stove top, and within a minute or two it starts to emit light. In addition to basic features, the Stove Lite Pro includes a built-in rechargeable battery, dimming control and USB charging outlet. These Pro features increases the usage to year-round as well as add the ability to charge your smartphone, laptop and tablet. The Stove Lite Pro uses a Thermoelectric Generator (TEG) that leverages the difference in temperature to create electricity. In addition to heat for warmth, now your wood stove can also be used to run and charge a mobile light source, the Stove Lite Pro. This high-tech lantern is elegant in appearance, adding visually to any room - designed for the hot surface of a wood stove top, it has a quiet and efficient cooling fan which circulates air through your room. Enjoy the warmth of your stove with the soft and surprisingly bright light provided by the Stove Lite. Charge Devices The Stove Lite Pro has a built-in USB charging outlet for charging portable devices like laptops, smartphones, tablets and more. Converting heat from wood stoves to LED light. See the Stove Lite Pro running off the heat from a Vermont Castings wood stove inside a log cabin home. The Stove Lite Pro is a mobile light; using the handle, a Stove Lite can be transported from the wood stove to help light other areas of your home. Rechargeable Battery The Stove Lite Pro charges an internal battery while running on a wood stove and can also be charged from a 110V outlet.