Features and Details Smart Detection, Secured Home By analyzing the shapes of people, vehicles, and pets, this kit can precisely detect these objects. It brings you peace of mind by providing accurate real-time alerts and reducing false alarms. Double Warning for the Unwelcome Once an intruder is detected, the camera's spotlights and siren will be triggered or manually activated to warn off the would-be criminal. Stop the crime before it happens. Two-Way Talk Built-in mic & speaker allow you to listen and talk back to whoever the camera catches in real time: A "hello" to families and friends or a warning to suspicious strangers. *Note: This function is only available in Reolink App/Client. Rich Details with 4K UHD This 8MP security system delivers excellent images and videos with the finest and most minute details. Enjoy the immersive visual experience with 4K clarity. 5X Optical Zoom for More Details The camera's motorized varifocal lens provides a 31~105 viewing angle* and 5X optical zoom, allowing you to zoom in for a sharp close-up or zoom out for a clear overview. Colorful Night When daylight is out, the cameras with 5 built-in spotlights continue to offer full-color video, bringing more visual details to help identify people and cars. Plug & Play with PoE Transmission of both power and data is handled by one single network cable for each Power-over-Ethernet camera in the kit. Less wiring, less cost, more convenience. 24/7 Continuous Recording With a 2TB HDD and up to 12TB storage capacity, the PoE video surveillance kit supports all cameras to record continuously at the same time. You can have all-day videos without missing a beat. Work with Various Reolink IP Cameras This security camera system can be expanded with up to 8 Reolink IP camerasbullet , dome, or PTZ; 12MP, 8MP, 5MP, or 4MPto cover every corner of your home, store, or factory. * For best compatibility, Reolink cameras are recommended. Fearless of Harsh Weather Armed with rugged housing, the IP66 weatherproof cameras of this security kit can stand up to thunderstorms, extreme cold/heat and any other harsh weather. Your faithful guard never quits. Easy Management You can access and control your cameras via Reolink APP and Client, besides NVR. Just a touch away, manage your home, store or factory easily. Whats in the Box 1 x 8CH NVR 4 x Camera 1 x NVR Power Adapter 1 x HDMI Cable 1 x USB Mouse 1 x 1m Network Cable 4 x 18m Network Cable 1 x Quick Start Guide 5 x Mounting Template 4 x Surveillance Sticker 4 x Waterproof Lid 1 x Wrench 5 x Pack of Screws NVR Specifications IP Video Input: Support PoE IP Camera x 8 Synchronous Playback: Up to 4 channels SATA: 1 x SATA interface (1 x 2TB HDD included) External HDD: 1 eSATA Interface for HDD Capacity: Up to 12TB (max. 6TB capacity for each HDD) Power Supply: DC 48V ~53V Dimensions: 260 x 41 x 230mm Weight: 1.4kg Camera Specifications Image Sensor: 1/2.8" CMOS Sensor Video Resolution: Default: 3840 x 2160 (8.0 megapixels) at 25 frames/sec Lens: f=2.7- 13.5mm F =1.6-3.3, with IR cut Optical Zoom: 5X Video Format: H.265 Field of View: Horizontal: 105 - 31, Vertical: 55 - 17 Color Night Vision: Spotlight: 5pcs/4W/6500K/450 lumens Audio: Two-way audio (via Reolink App/Client) PoE: IEEE 802.3af, 48V active Smart Alarm: Motion detection; person detection; vehicle detection; pet detection Record Mode: Motion recording (default); scheduled recording; 24/7 recording Waterproof: IP67 Dimension: 80 x 72 x 238mm Weight: 838g