Product Description: Elevate Your Viewing Experience with the AHD 4x1 Multiviewer Switcher 4 in 1 Out Functionality: This advanced multiviewer switcher allows you to display any of the input AHD signals on your screen via the HD Multimedia Interface output. Enjoy the convenience of viewing up to four AHD HD digital signals simultaneously on the same screen, providing a comprehensive and efficient monitoring solution. Stunning 1080P at 60Hz Resolution: Experience crystal-clear visuals with a resolution of up to 1920x1080P. The switcher supports an output resolution of 1080P at 60Hz, ensuring vibrant and detailed picture quality. Additionally, it offers excellent sound output, supporting PCM2, 5.1, Dolby 5.1, and DTS5.1, for an immersive audio-visual experience. Dual Control Modes: The multiviewer switcher is equipped with both infrared remote control and panel button control, offering two convenient modes of operation. It features a power failure memory function, allowing for easy switching and operation to meet your diverse needs. High-Speed Lossless Transmission: Enjoy seamless and high-speed lossless transmission with no delay. The switcher provides two display options, enabling you to view a single screen or all four screens simultaneously, ensuring you never miss any critical details. Versatile Applications: This multiviewer switcher is ideal for a wide range of applications, including shopping malls, neighborhoods, car video surveillance, and more. It offers various splitting effects and customizable output modes. Constructed from lightweight aluminum alloy, it boasts excellent corrosion resistance, thermal conductivity, and durability, making it a reliable choice for long-term use. Upgrade your surveillance and monitoring capabilities with the AHD 4x1 Multiviewer Switcher, designed to deliver exceptional performance and versatility for all your viewing needs.