The device supports Smart H.265+/H.265/Smart H.264+/H.264 decoding, saving bandwidth and storage space while maintaining high image quality.

Maximum decoding capacity is 6 channels at 1080p@30 fps, enabling smooth playback even with a large number of cameras. The NVR2104-S3 is equipped with AI features such as perimeter protection and SMD Plus, which enhance security by detecting intruders and reducing false alarms.

The recorder can connect to third-party cameras thanks to ONVIF support, providing flexible system integration. The device is equipped with an industrial-grade embedded processor and an embedded Linux operating system, ensuring stable and reliable operation.

The user interface is accessible via a web browser or local GUI, making configuration and management easy. The NVR2104-S3 offers 4 channels of two-way audio and supports various video resolutions, from 12MP to 720p, with real-time decoding.

VGA and HDMI outputs allow connection to a monitor or TV, while the multi-screen display function allows for simultaneous display of images from multiple cameras.

Data security is a priority – the recorder is CE and FCC certified and supports SSL/TLS encryption. Alarm support includes motion detection, video loss, and intelligent AI alerts.

The NVR2104-S3 can be managed remotely via mobile apps for Android and iOS, providing access to recordings from anywhere.

The device is compact (204.6 mm × 206.4 mm × 45.6 mm) and lightweight (0.42 kg without hard drive), making it easy to install in a variety of environments – both on a desktop and in a rack.

The Dahua NVR2104-S3 is a comprehensive solution for professional surveillance systems, combining performance, flexibility, and advanced AI features in an affordable package.