This product is a high-performance electric heater that can provide up to 70,000 BTU of heating capacity. It operates on 208/230 V single-phase 60-cycle power supply and requires a 60/60 Amps fuse breaker. The heater has a gray color and comes with a 20 KW auxiliary heater. The heater does not have batteries, but it contains electronics that may be sensitive to moisture or dust. The heater does not contain chemicals, aerosol, or compressed gas, but it may emit some fumes during operation. Therefore, this product has a Proposition 65 warning and is restricted from shipping to GU, PR, and VI. The product dimensions are 21.18 x 11.38 x 7 inches and the weight is 6 pounds.