4K 8.0MP ultra HD， up to 100 ft. night vision: 4-times the resolution of 1080P， this ultra HD 4K CMOS image sensor allows the camera to capture more light， which improves color， contrast， and low-light performance， up to 100 ft. night vision and advanced starlight sensors， you can see brighter full-color night-time videos

Simple plug and play PoE system: this simple PoE connection makes it easier to set up and install your home security camera system， unlike the CCTV DVR systems， videos from the IP camera system will not be degraded or destroyed by cables， the digital signal will keep a real 8mp high-definition image via ethernet cables

2-way audio and remote access: built-in mic and speaker let you stay in touch with your household， check in with the family or tell your dog to stop barking， or say hello to the delivery man through the free app， and you can live view and playback on mobile phone anywhere anytime

Smart human detection and light and sound alarm: with smart light and sound alarm system， the camera reacts in time to any potential danger triggered by human motion events， the latest PIR motion detection technology will send you instant app push notifications when human motion are detected

Continuous 24/7 recording with 4TB hard drive: built-in 4TB security grade hard drive， users are provided reliable 24/7 recording， support ultra-long continuous recording and backup by USB， NVR can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external hard drive