DS-7904HGHI 4-CH 1080P lite Turbo HD DVR

Features and Functions

Video Input and Transmission

* Connectable to Turbo HD/HDCVI/AHD/CVBS signal input

* 1-ch 1080p IP cameras input

* Long distance transmission over UTP and coaxial cable: max. 1200m for 720p Turbo HD signal

Compression and Recording

* One-key enable H.264+ compression to improve encoding efficiency by up to 50% and reduce data storage costs

* Supports 1080p lite of all channels and when enabled, the image effect is similar with 1080p

Video Output

* HDMI/VGA output at up to 1920 × 1080 resolution Storage and Playback

* 1 SATA interface (up to 6 TB capacity per HDD)

* 4-ch synchronous playback at up to 720p resolution

* Smart search for efficient playback

Smart Function

* Supports multiple VCA (Video Content Analytics) events for both analog and smart IP cameras

* VQD (Video Quality Diagnostics)

* Unlock pattern for device login for the admin and clear-text password available

* GUID file can be exported for password resetting and imported for finding the forgotten password

* Supports PTZ control via Omnicast VMS of Genetec protocol

Network & Ethernet Access

* Hik-Connect & DDNS (Dynamic Domain Name System) for easy network management

* One self-adaptive 10/100Mbps network interface

* Output bandwidth limit configurable

Specifications

Model: DS-7904HGHI

Video/Audio input

Video compression: H.264+/H.264

Analog video input: 4-ch; BNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection

Turbo HD input: 1080p25, 1080p30, 720p25, 720p30

AHD input: 1080p25, 1080p30, 720p25, 720p30

HDCVI input: 1080p25, 1080p30, 720p25, 720p30

CVBS input: Support

IP video input: 1-ch; Up to 960p resolution

Audio compression: G.711u

Audio input/Two -way audio input: 1-ch, RCA (2.0 Vp-p, 1 KΩ)

Video/Audio output

HDMI/VGA output: 1-ch, 1920 × 1080/60Hz,1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 ×768/60Hz

Encoding resolution: When 1080p Lite mode not enabled: 720p/WD1/4CIF/VGA/CIF

When 1080p Lite mode enabled: 1080p lite/720p/WD1/4CIF/VGA/CIF

Frame rate:

Main stream: When 1080p Lite mode not enabled:

For 720p stream access: 720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N)

When 1080p Lite mode enabled: 1080p lite/720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N)

Sub-stream: 2CIF@6fps; CIF/QVGA/QCIF@25fps (P)/30fps (N)

Video bit rate: 32 Kbps to 4 Mbps

Audio output: 1-ch, RCA (Linear, 1 KΩ)

Audio bit rate: 64 Kbps

Dual stream: Support

Stream type: Video, Video & Audio

Synchronous playback: 4-ch

Network management

Remote connections: 32

Network protocols: TCP/IP, PPPoE, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP™, HTTPS

Hard disk

SATA: 1 SATA interface

Capacity: Up to 6 TB capacity for each disk

External interface

Network interface: 1, RJ45 10M/100M self-adaptive Ethernet interface

USB interface: Rear panel: 2 × USB 2.0

General

Power supply: 12 VDC

Consumption (without HDD): ≤ 8 W

Working temperature: -10 ºC to +55 ºC (14 ºF to 131 ºF)

Working humidity: 10% to 90%

Dimensions (W × D × H) 260 × 222 × 45 mm (10.2 × 8.7 × 1.8 inch)

Weight (without HDD): ≤ 1 kg (2.2 lb)