ANNKE 16CH 4K Wireless Security Camera System, Expandable 4K NVR with 4 X 8MP Outdoor Cameras, 2TB HDD, Dual-Band WiFi, Two-Way Talk, Human Detected, 24/7 All-Day Recording, IP66 Weatherproof, Alexa

4K Ultra HD Resolution & 100ft Night VisionExperience enhanced clarity with 4K HD for more details. Up to 100ft IR night vision can help you see farther and protect your property even at night. The IP66-rated camera can brave all weather.
Expandable Security System, Stable Dual-Band WiFiEasily expand your security system to up to 8MP 16 channels. And it supports 2.4/5.8GHz WiFi Pro-tech, providing you flexible network choices, stronger anti-interference performance and better stability.
Two Way Audio, Remote AccessBuilt-in mic and speaker, you can talk and listen with your family or visitors via annke sight App on your phone. Beside, you can also perform live views and playbacks on your smart device(iOS, Android) via WiFi connection.
AI Human Detection & Instant AlertsThis WiFi security camera can detect people accurately within their field of view, minimizing false alarms. You will receive App/Email alerts once it detects person, plus, email alarms with screenshots.
24/7 All Day Recording with 2TB HDDNVR security camera system pre-installed 2TB hard drive(up to 8TB HDD) for you to store recording videos continuously, you can know what happened anytime, anywhere, secure your home and give you peace of mind all day.