Lorex 21'' Real TIme 4 Channel Color Quad Observation Systems up to 4 camera locations in real time (30 fps) Single or dual PIP viewing options Motion sensing alarm function Metal cabinet with 4 camera inputs (4 DIN/4 BNC and 4 audio RCA), 4 alarm inputs/2 alarm outputs and more than 800 lines of r UPC Code: 778597212440 <img