Dewalt, 12,000 BTU, Cordless Portable Propane Radiant Heater, Heavy Duty Design Built For The Jobsite, High Speed Fan, LED Work Light & USB Charging, Jobsite & Camping, 3 USB Ports For Charging Portable Electronics, Powerful LED Work Light & Dual Tank Capability To Keep You Working, Or Playing, Day Or Night., Equipped With Factory Installed ODS & Thermoelectric Safety Valve Certified Indoor Safe Heater Anywhere, Just Plug Any Of The 20V Max Or Flexvolt Batteries Into The Heater, Hook Up Your Propane Tanks & Ready To Cut The Cord & Take This Heater Anywhere.