Reolink RLC-820A is equipped with on-device detection technology to discern people and vehicles from other objects. Home security jumps from 5MP to 4K Ultra HD – 1.6X clearer than Super HD and 4X clearer than 1080p HD. The 18 powerful infrared LEDs in this 4K security camera emit invisible lights that pierce the darkness up to 100 feet. Plus, the advanced 3D-DNR technology dramatically reduces noise. RLC-820A with PoE technology can transmit power and data simultaneously via one single network cable. With a few clicks on Reolink App or Client, you can stay tuned with your home or business all the time. RLC-820A smart PoE IP camera supports 24/7 continuous, motion-triggered and scheduled recording.