... 1.7inch HD monitor(800*480) 2.4camera input simultaneously 3.display modes:4 images,3images,2images 4.factory warranty ... Monitoring SystemFeatures:7inch TFT-LCD screen monitor(800*480)4 camera input simultaneously,display modes:4images, ... Camera: 1. Night vision and weatherproof 2. Image Sensor: OV7950, 1/4" COLOR 3. Effective Pixels: NTSC: ... car,truck,bus parking system,7inch monitor with 4 cameras