The perfect heater for tent trailers, cab over campers and other small cold spots, the Olympian wave-6 catalytic LP gas powered safety heater will warm up to 230 square feet or 18 foot RV with ease. Includes a safety shut-off. Measures 17-7/8 inch height x 12-13/16 inch width x 4 inch depth. It can be used as either portable or wall mount.