4-Channel Digital Video Recorder (DVR) – SV-DVR4-N
The SV-DVR4-N is a dependable 4-channel digital video recorder designed for businesses and homeowners using wired analog or HD-over-coax security cameras. It delivers stable recording, modern compression, and secure remote viewing without monthly fees.
This DVR supports multiple camera signal formats, making it ideal for upgrading older systems or expanding existing installations. With efficient video compression, motion detection, and network connectivity, the SV-DVR4-N provides long-term performance and reliable video storage.
Perfect for retail stores, offices, warehouses, and residential properties, this DVR offers simple setup, flexible compatibility, and professional-grade reliability.
Key DVR Features
4-Channel Recording
Supports up to four wired security cameras for small to mid-sized installations.
Multi-Format Camera Support
Compatible with Analog, AHD, TVI, and CVI cameras for maximum flexibility.
H.265 Video Compression
Reduces storage usage while maintaining clear, detailed video quality.
Remote Viewing
View live and recorded footage from your phone, tablet, or computer.
Motion Detection
Record only when activity is detected to save storage space.
No Monthly Fees
One-time purchase with full local recording and ownership.
DVR Specifications
| Technical Specification | |||||||
|---|---|---|---|---|---|---|---|
| Video/Audio Input | |||||||
| IP Video Input | 4-ch | ||||||
| Analog Video Input | 4-ch, BNC | ||||||
| Max IP Video Input | 8-ch | ||||||
| Supported Analog Camera Types | Support AHD input: 8MP@15fps, 5MP@20fps, 4MP@30fps, 1080P@30fps, 720P@30fps Support TVI input: 8MP@15fps, 5MP@20fps, 4MP@30fps, 1080P@30fps, 720P@30fps Support CVI input: 8MP@15fps, 5MP@25fps, 4MP@30fps, 1080P@30fps, 720P@30fps Support CVBS input |
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| BNC Audio Input | 4-ch, channel audio | ||||||
| RCA Audio Input | 1-ch | ||||||
| Video/Audio Output | |||||||
| HDMI Output | HDMI: 4K (3840 × 2160)/30 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz | ||||||
| VGA Output | VGA: 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz | ||||||
| BNC Video Output | 1-ch | ||||||
| RCA Audio Output | 1-ch | ||||||
| Live View Display | HDMI/VGA: 1/4/6/8/9 | ||||||
| Playback Screen | 1/4 | ||||||
| Encoding / Decoding | |||||||
| Recording Resolution | 8MP/5MP/4MP/1080P/720P/D1 | ||||||
| Recording Frame Rate | Main stream: 8MP@8fps / 5MP@12fps / 4MP@15fps / 1080P@25fps / 720P@30fps Sub stream: D1@8fps / D1@12fps / D1@15fps / D1@25fps / D1@30fps |
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| Audio Sample Rate | 8 kHz, 16 bit per channel | ||||||
| Audio Bit Rate | 64 Kbps per channel | ||||||
| Decoding Capability | Analog: 4 × 8MP@8, 4 × 5MP@12, 4 × 4MP@15, 4 × 1080P@25, 4 × 720P@30 IP: 1 × 8MP@30, 2 × 4MP@30, 4 × 1080P@30, 8 × 720P@30 |
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| Num of Concurrent Playback in Local | 8-ch | ||||||
| Coaxial Cable | |||||||
| Audio over Coaxial Cable (Form) | 4-ch, One-way Audio (TVI) | ||||||
| Two-way Audio | |||||||
| Two-way Audio | 1-ch, RCA (Using the audio input and output) | ||||||
| Analog Snapshot | |||||||
| FTP/Schedule/Event Snapshot | Schedule/FTP/Event snapshot: 4-ch snapshot, up to 704 × 576 resolution | ||||||
| Network | |||||||
| Incoming Bandwidth | 40 Mbps (Up to 48 Mbps after all analog channel conversion) | ||||||
| Outgoing Bandwidth | 64 Mbps | ||||||
| Remote Users | 128 | ||||||
| Protocols | TCP/IP, P2P, UPnP, DHCP, HTTP, HTTPS, DNS, DDNS, SMTP | ||||||
| Browser (Plugin) | IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+ | ||||||
| Smart | |||||||
| Analog Smart by XVR | Ultra Motion Detection (UMD), SIP (Intrusion Detection, Cross Line Detection, Enter Area, Leave Area), Face Detection | ||||||
| IP Smart by IPC | Face Detection, SIP, Defocus Detection, Scene Change Detection, Object Removed, Object Left Behind, Auto Tracking | ||||||
| VCA Search | Face Search, Behavior Search | ||||||
| Smart Functions by XVR | 4-ch (UMD), 2-ch (SIP), 1-ch (Face Detection) | ||||||
| Smart Functions by IP Camera | 2-ch (SIP) | ||||||
| Alarm | |||||||
| General Alarm | Motion | ||||||
| Alert Alarm | IP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Hard Disk Space Low, Hard Disk Full, Recording/Snapshot Abnormal | ||||||
| GUI Language | |||||||
| GUI Language | 38 languages: Simplified Chinese, Traditional Chinese, English, Vietnamese, Thai, Turkish, Spanish (Latin America), Portuguese (Brazil), Spanish, Portuguese, French, German, Italian, Dutch, Polish, Czech, Hungarian, Slovak, Russian, Hebrew, Arabic, Ukrainian, Estonian, Bulgarian, Greek, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenia, Serbia, Korean, Japanese, Latvian, Lithuanian, Persian | ||||||
| Hard Disk | |||||||
| SATA | 1 SATA interface | ||||||
| Capacity | Up to 16 TB for each HDD (The maximum HDD capacity varies with environment temperature) | ||||||
| External Interface | |||||||
| Network Interface | 1 RJ45 10 M/100 M self-adaptive Ethernet Interface | ||||||
| USB | Rear panel: 2 × USB2.0 | ||||||
| RS485 | 1 | ||||||
| RS232 | N/A | ||||||
| Alarm In | 4-ch | ||||||
| Alarm Out | 1-ch | ||||||
| Power Supply | DC 12 V / 2 A | ||||||
| Working Environment | |||||||
| Working Temperature | -10 ℃ to 55 ℃ (14 ℉ to 131 ℉) | ||||||
| Working Humidity | ≤ 90% RH (non-condensing) | ||||||
| Power Consumption (without HDD) | ≤ 10W | ||||||
| Dimensions | |||||||
| Weight (without HDD) | ≤ 1.1 Kg (2.42 lb) | ||||||
| Dimensions | 260mm × 251mm × 46mm (10.2" × 9.9" × 1.8") | ||||||
| Certification | |||||||
| Certification | CE, FCC, UL, RoHS, WEEE | ||||||
| CE | EN 55032, EN 61000-3-3, EN IEC 61000-3-2 | ||||||
| FCC | Part15 Subpart B | ||||||
Need compatible cameras? Browse wired security cameras here.
Questions about storage size or system compatibility? Our U.S.-based support team is ready to help.
DVR FEATURES
- 4K Ultra High Definition
- 4 BNC Camera Inputs
- Supports CVI/TVI/AHD/Analog Cameras
- Remote Viewing – No Monthly Fees
- H.265 High Video Compression
- HDMI and VGA & BNC Display Output
- 1 Hard Drive Bay

