CS-BW3844 (4MP) With this latest kit from EZVIZ, it’s easy to create a professional outdoor security system for your home or business. The four H3c 2K cameras run over Wi-Fi connections and have weatherproof housings, allowing them to be installed more flexibly around your property to provide a high level of protection thanks to their smart features. The included X5S NVR provides reliable centralized storage for all the footages from the four camera system, so you always have all the important videos inside the house backed up in one place. The NVR comes with a free 1TB hard disk to get you started quickly, and can expand this capacity up to 8TB if you have high recording needs. X5s NVR While you can set up each camera flexibly around your property, they can all be managed via the connected X5S NVR – a central security center for you to manage camera settings, view multiple feeds, and store videos. You may also expand the NVR-supported system to include up to 8 compatible cameras. HDMI/VGA Output Supports High-Resolution Cameras of Up to 3K Video Quality Wi-Fi Range Up to 100 m (300 ft) Supports ONVIF Conformant Camera H.265 Video Technology Up to 8TB Storage, 1TB HDD Included 4 x H3C 2K+ Camera 2K+ Ultra HD with Colour Night Vision AI-Powered Human Shape Detection Active Defense with Siren and Strobe Light Customizable Detection Zone Customizable Voice Alerts Two-way Talk IP67 Weatherproof Support Local MicroSD Card Storage (Up to 512GB) Support EZVIZ Cloud Storage (Optional) H.265 video compression WORKS with Alexa and Google Home The X5S is a large-capacity storage solution tailored to support multi-camera security systems for 24/7 recording in even high video quality. Users can confidently save and keep important footages on the local NVR device, which ensures smooth storage and strict data protection.