The DM-IR 25HOHB is a one of a kind solution designed to solve the problem of mounting an IR camera inside a housing. The DM-IR 25HOHB has a heater and blower to out stand severe weather, the IR LED's are mounted at the front of the housing for clear illumination of up to 180 feet, and the camera offer crystal clear resolution of 470 TV lines, a 6.0-15.0 mm Vari-Focal Auto Iris Lens. This camera work on 24V AC.