DeWalt cordless portable indoor safe radiant heater features a heavy-duty design built for the job site. With a high speed fan, LED (light emitting diode) work light, and USB (universal serial bus) charging ports, the heater is ready for the job site or the camping trip. Features three USB ports for charging portable electronics, powerful LED work light and dual tank capability to keep you working or playing, day or night. Equipped with factory installed ODS and a thermoelectric safety valve, you can feel comfortable using this certified indoor-safe heater anywhere. Plug any of the DeWalt 20V MAX or FLEXVOLT batteries into the heater and hook up the propane tanks.