Dahua Network Video Recorder 4CH

System Main Processor Industrial-grade embedded processor Operating System Embedded Linux Operation Interface Web; local GUI AI AI by Camera N/A AI by Device N/A Perimeter Protection Perimeter Performance AI by Device(Number of Channels) N/A Perimeter Performance of AI by Camera (Number of Channels) N/A Face Detection Face Attributes N/A Face Detection Performance of AI by Device (1080P) (Number of Channels) N/A Face Detection Performance of AI by Camera (Number of Channels) N/A Face Recognition Face Database Capacity N/A Face Recognition Performance of AI by Device (1080P) (Number of Channels) N/A Face Recognition Performance of AI by Camera (Number of Channels) N/A SMD Plus SMD Plus by Device N/A SMD Plus by Camera N/A Video Access Channel 4 channels Network Bandwidth 80 Mbps for access, 80 Mbps for storage and 60 Mbps for forwarding Resolution 8MP; 5MP; 4MP; 3MP; 1080p; 720p; D1; CIF Decoding Capability 1–ch@8MP (30 fps) or 1–ch@5MP (30 fps) or 2–ch@4MP (30 fps) or 2–ch@3MP (30 fps) or 4–ch@1080p (30 fps) Video Output 1 VGA/1 HDMI simultaneous video output, maximum resolution 1080p Multi-screen Display 1/4 Third Party Camera Access Onvif; RTSP; Compression Video Smart H.265 ; H.265; Smart H.264 ; H.264 Audio PCM; G711A; G711U; G726 Network Network Protocol HTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UDP; NTP; DHCP; DNS; P2P Mobile Phone Access iDMSS (iOS); gDMSS (Android) Interoperability ONVIF (profile T/profile S/profile G); CGI; SDK Browser Chrome; IE9 or above; Firefox Record Playback Multi-channel Playback Up to 4 channels Record Mode Priority of record mode: Manual recording > alarm recording > motion detection recording > timed recording Storage Local HDD and network Backup USB device Playback Function 1. Play, pause, stop, fast forward, fast backward, rewind, play by frame 2. Full screen, backup (cut/file), partially enlarge, audio on/off Alarm General Alarm Motion detection, privacy masking, video loss, PIR alarm, IPC alarm Anomaly Alarm Front-end device going offline, storage error, full storage, IP conflict, MAC conflict, login lock, network security anomaly Intelligent Alarm Alarm Linkage Video recording, snapshot, log, preset, tour External Port HDD 1 SATA 2.0 port, up to 8 TB for a single HDD. The maximum HDD capacity varies with environment temperature USB 1 front USB 2.0 port, 1 rear USB 2.0 port HDMI 1 VGA 1 Network 1 × RJ-45 (10 or 100 Mbps) RCA Input 1 RCA Output 1 General Parameter Power Supply 12 V DC, 1.5 A Power Consumption Total output of NVR is ≤ 10 W (without HDD) Net Weight 0.81 kg (1.79 lb) Gross weight 1.38 kg (3.04 lb) Product Dimensions 260 mm × 225 mm × 47.6 mm (W × L × H) Package Dimensions 87 mm × 331 mm × 312 mm (W × L × H) Operating Temperature -10°C to 45°C ( 34°F to 113°F) Storage Temperature 0°C to 40°C ( 32°F to 104°F) Operating Humidity 10%–93% Storage Humidity 30%–85% Operating Altitude 3,000 m (9,842.52 ft) Installation Desktop Certifications CE/FCC