... Monitoring SystemFeatures:7inch TFT-LCD screen monitor(800*480)4 camera input simultaneously,display modes:4images,3images,2images Can ... comprehensive prespective. System is hightly integrated with industrial grade chip,shockproof and dustproof.Shell with high quality galvaniaed materials and well ... 1.0Vp-p, 75 OHM 11. Lens Angle: 120 Degrees car,truck,bus parking system,7inch monitor with 4 cameras