Keep an eye on what matters most with the Reolink 16-Channel 4TB NVR PN-16 security system. This sleek black setup packs a punch detecting people vehicles and pets with its smart motion-triggered recording. You can rest easy knowing it's got your back 24/7 even capturing audio with the built-in mic. And with a hefty 4TB HDD built right in (expandable up to a whopping 12TB) you'll have plenty of space to store all that footage. Compatible with both PC and smartphone operating systems this powerhouse runs on DC 48-54V and comes with a solid 2-year manufacturer's warranty for extra peace of mind.