Crimestopper SV-8900.QM 7" Quad Screen LCD Monitor: * 7" HD digital color LCD monitor * Single, dual, triple or quad image function * Camera title settings, 8 character max * 4 trigger wires with auto switching between the cameras * Camera priority setup * Backup distance grid * Left and right turning signal indicator arrows on-screen * Normal or reverse image selection for each camera input * Auto-controlled day or night brightness mode * Short circuit protection * Anti-glare protection * Built-in speaker for audio hookup to cameras with built-in microphones * NTSC/PAL video system * 1440 x 234 resolution * LED backlighting * Universal mount * Video inputs, reverse camera, 2 side cameras, forward camera and external video * 12V power source