Description Multi-directional radiant propane heater mounts directly to a 20 lb tank for easy portability High-medium-low regulator: 45,000-36,000-30,000 BTUs Tip-over safety shut-off switch Approximate 9.5 hour run time on high with a 20 lb tank Mounts on 20 - 100 lb propane cylinder Easy match lit pilot - no electricity required Quiet burning Ideal for job sites, campsites, porches, tailgating, hunting, and ice fishing Outdoor use only