The perfect heater for tent trailers, cab over campers and other small cold spots, the Olympian wave-3 catalytic LP gas powered safety heater will warm up to 130 square feet or 12 foot RV with ease. Includes a safety shut-off. Measures 11-3/4 inch height x 10-1/4 inch width x 3-1/2 inch depth. It can be used as either portable or wall mount.