With power of 41000 BTU to ensure you stay warm and cozy. Variable-heat control knob allows to adjust the flame, the powerful propane patio heater heating fast and burning more efficiently, requires 20 lbs. Liquid Propane Gas tank (not included). Our heater made of high-grade steel, with a durable powder-coated finish that stands up to outdoor elements, our customer can benefit from the patio heater for many years. The patio heater comes with 2 smooth-rolling wheels, making it easy to move the outdoor heater from porch to patio. The heater have safety auto shut-off tilt valve and tip-over protection system. The patio heater comes with a stable base to avoid tipping over. The waterproof design of igniter and switch insulation can ensure the safety of the use process in outdoor. Color: Silver.