Professional Cameras should be mounted in medium or large size housing cases .A heater and/or blower can be built into medium or large size housing case. When a heater and/or blower is built-in, the available inside depth length is reduced by about 40 to 50mm. A heater and/or blower is usually required to be powered separately by 110VAC or 24VAC. And, you need an outdoor mounting brackets for the housing cases.