ANNKE 4K 16CH Expandable NVR with 5MP Wireless Security Camera System Outdoor, 4Pcs WiFi Cameras, 2TB HDD, Human Detection, 2-Way Audio, IP66, Remote Access, Instant Alerts, 100ft Night Vision

Expandable Security System, Stable Dual-Band WiFiThe expandable NVR supports up to 8MP 16 channels. And it supports 2.4/5.8GHz WiFi Pro-tech, providing flexible network choices, stronger anti-interference performance and better stability.
Two Way Audio, Remote AccessYou can talk and listen to families and visitors via the annke sight app due to built-in mic and speaker. Beside, you can also perform live views and playbacks on your smart device(iOS, Android) via WiFi connection.
5MP Super HD & 100 ft Night VisionSuper HD 2K 5MP image quality, almost 3 times higher than Full HD 1080p resolution. Infrared LEDs offer unrivalled performance in the dark, delivering sharp images up to 100 ft away.
AI Human Detection & Instant AlertsThis WiFi security camera accurately detects people within its field of view and minimizes false alarms. And you will receive App/Email alerts once it detects the person, plus, email alarms with screenshots.
24/7 All Day Recording with 2TB HDDThe security systems pre-installed 2TB hard drive(up to 8TB HDD) for you to store recording videos continuously, which secure your home and give you peace of mind all day.