InVid Tech PD2B-4NH2 4 Ch + 2 Bonus IP Ch (Up to 6 Cameras Total) Universal Port Recorder, with Smart Analytic Support and Smart Motion Detection, Audio over Coax (AoC)The InVid Tech PD2B 4NH2 is a versatile universal port recorder designed to support up to six cameras, featuring four channels plus two bonus IP channels. This innovative device is perfect for enhancing your security system. Equipped with smart analytic support and smart motion detection, it ensures efficient monitoring and alerts you to any unusual activity. Additionally, the audio over coax (AoC) feature allows for seamless audio integration, making