Tungsten Smart-Heat Portable combines modern art with effective industry leading technology. Ensuring A reliable start and effective operations of winds to 8mph, the Smart heat series encompasses a superior high-performance mesh screen that scientifically manipulates infrared heat up to 215 ft. Creating comfort over an area up to 3 times the size of a traditional portable heater , while fuelled by the same gas cylinder, this award winning heater utilizes directional heating to evenly, efficiently and effectively provide versatile heating solutions for any outdoor settings.