... card, max.32GB; bus monitor features:9-inch digital quad monitor with video recording function; the recording file stored in ... mirror image. Cameras image display mode: single, dual, triplex, quad, PIP functions, trefoil, and Y-split image available Five trigger ... systems Easy installation and convenient operation, with innovative functions9 '' quad monitor with built-in DVR (MO-141)LCD Dimension: 9 ...