Boyo VTM7002Q 7" Digital Vehicle Backup Monitor: * 7" quad monitor with touchscreen and touch button * Touchscreen with "finger-tip" operation * Touch button for more convenient operation and longer durability * Backup distance grid and left/right turning indicator arrow on screen * Boot-strap display can be single or split views * Live video output * Day and night brightness modes * Separately set up brightness, color, contrast, volume and sharpness of each camera * Separately select normal or mirror image for each camera * Single, dual, triple, quad-view and PIP functions * On-board speaker * Auto scan available image switching time from 1-30 seconds * 4 trigger signal inputs auto switch to the working camera * Operates from 10-32V supplied power to cameras * Includes full-function remote control * 4 video inputs for cameras * 4 audio inputs * 16:9 aspect ratio * LED backlighting