SureVision 4 Channel 4K CCTV DVR Recorder with Included 4TB Hard Drive
The SureVision SV-DVR4-N is a compact professional DVR for surveillance systems with up to 4 compatible BNC security cameras. It is designed for older analog cameras and modern HD-over-coax cameras, making it a practical recorder replacement when compatible coax cable and power wiring are already installed.
A preinstalled 4TB surveillance-grade hard drive is included for private local recording without required monthly cloud fees. The recorder provides supported 4K HDMI display output, playback, event search, video export and remote viewing when connected to a properly configured network and internet service.
No Fees. Private Recording.
- Preinstalled 4TB surveillance-grade hard drive included
- No subscriptions or cloud fees
- 24/7 continuous recording ready
- Compact recorder for smaller systems
- Supports up to 16TB per HDD
Built for BNC CCTV Systems
- Works with older analog and newer HD CCTV cameras
- Supports AHD, TVI, CVI, and CVBS camera formats
- 4 BNC analog video inputs
- Easy upgrade for existing coax wiring
- Great for homes and small businesses
Professional Features
- Remote viewing on phone and desktop
- Advanced playback and export tools
- 4K HDMI local display output
- Motion, smart detection, and event search
- Built for long-term wired surveillance use
SureVision Professional Surveillance — Built for Real Protection
More Than Just Recording — A Complete Professional CCTV Platform
Unlike consumer camera kits that rely on apps, subscriptions, and limited storage, SureVision CCTV DVR systems are designed for customers who want control, reliability, and long-term wired performance.
No Monthly Fees — Ever
- 100% local recording to your private hard drive
- No cloud dependency, no subscriptions, no hidden costs
- Your footage stays secure, private, and in your control
Built-In Professional Monitoring Tools
Every system includes useful tools customers want built into the recorder:
- Smart motion detection and alerts
- Remote viewing on mobile and desktop
- Playback, search, and event filtering
- Multi-camera live view dashboards
- Export and evidence backup tools
Easy Upgrade for Older and Newer CCTV Cameras
- Supports older analog CCTV camera systems
- Supports newer HD-over-coax cameras up to supported 4K HD formats
- Works well with existing coax cable runs
- Simple BNC video plus power setup customers already know
Professional-Grade Hardware
- 3-Year Warranty
- Built for 24/7 operation
- 4 alarm inputs and 1 alarm output
- Reliable local recording for smaller systems
Why Professionals Choose SureVision
- No fees. Ever.
- Full control of your system and data
- Built for reliability, not shortcuts
- Trusted by businesses, installers, and serious property owners
- Backed by real experts — not outsourced support
Works with Compatible BNC CCTV Cameras
This SureVision DVR is designed for compatible analog and HD-over-coax cameras connected through BNC video inputs. A BNC connector alone does not guarantee compatibility: camera format, resolution, frame rate, audio method, cable condition and DVR support must also match.
Full Specifications — SV-DVR4-N
| Model | SV-DVR4-N |
| Included Storage | 4TB surveillance-grade hard drive, preinstalled |
| Video / Audio Input | |
| IP Video Input | 4-ch |
| Analog Video Input | 4-ch, BNC |
| Max IP Video Input | 8-ch |
| Supported Analog Camera Types | AHD: 8MP@15fps, 5MP@20fps, 4MP@30fps, 1080P@30fps, 720P@30fps; TVI: 8MP@15fps, 5MP@20fps, 4MP@30fps, 1080P@30fps, 720P@30fps; CVI: 8MP@15fps, 5MP@25fps, 4MP@30fps, 1080P@30fps, 720P@30fps; CVBS supported |
| BNC Audio Input | 4-ch, channel audio |
| RCA Audio Input | 1-ch |
| Video / Audio Output | |
| HDMI Output | 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 | 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 | 1 / 4 / 6 / 8 / 9 |
| Playback Screen | 1 / 4 |
| Encoding / Decoding | |
| Recording Resolution | 8MP / 5MP / 4MP / 1080P / 720P / D1 |
| Recording Frame Rate | 8MP@8fps, 5MP@12fps, 4MP@15fps, 1080P@25fps, 720P@30fps; sub stream D1 |
| 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 |
| Synchronous Playback in Local | 8-ch |
| Coaxial Cable | |
| Audio over Coaxial Cable | 4-ch, one-way audio (TVI) |
| Two-Way Audio | |
| Two-Way Audio | 1-ch, RCA (using the audio input and output) |
| Snapshot | |
| FTP / Schedule / Event Snapshot | 4-ch snapshot, up to 704 × 576 resolution |
| Network | |
| Incoming Bandwidth | 80 Mbps (up to 96 Mbps after all analog channel conversion); 40 Mbps (up to 48 Mbps after all analog channel conversion) |
| Outgoing Bandwidth | 64 Mbps |
| Protocols | TCP/IP, P2P, UPnP, DHCP, HTTP, HTTPS, DNS, DDNS, SMTP |
| Browser | 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 | |
| Languages | 38 languages |
| Hard Disk | |
| SATA | 1 SATA interface |
| Included Hard Drive | 1 × 4TB surveillance-grade hard drive, preinstalled |
| Capacity | Up to 16 TB for each HDD |
| External Interface | |
| Network Interface | 1 RJ45 10 M / 100 M self-adaptive Ethernet interface |
| RS232 | N/A |
| Alarm In | 4-ch |
| Alarm Out | 1-ch |
| Power Supply | DC 12 V / 2 A |
| Working Environment | |
| Working Temperature | -10°C to 55°C (14°F to 131°F) |
| Working Humidity | ≤ 90% RH (non-condensing) |
| Power Consumption (without HDD) | ≤ 10W |
| Weight (without HDD) | ≤ 1.1 kg (2.42 lb) |
| Dimensions | 260 mm × 251 mm × 46 mm (10.2" × 9.9" × 1.8") |
| Certification | |
| Certification | CE, FCC, UL, RoHS, WEEE |
Frequently Asked Questions
Does this 4-channel DVR include a hard drive?
Yes. It includes one preinstalled 4TB surveillance-grade hard drive for local recording.
How many BNC cameras can the SV-DVR4-N support?
It provides 4 analog BNC camera inputs. The published specifications also list hybrid IP input capabilities; verify the complete camera combination and resolution requirements before configuring a mixed system.
Which camera formats should I verify?
Confirm the exact analog or HD-over-coax format used by each camera, including CVI, TVI, AHD or CVBS where applicable. Also verify resolution, frame rate and audio compatibility before ordering.
What display and recording resolutions are supported?
The published HDMI output supports up to 4K display resolution. Recording resolution and frame rate vary by camera format and are listed in the full specifications.
Can this DVR record without internet service?
Yes. Local recording and local playback can continue without internet service. Internet access is required for off-site viewing, mobile alerts and other remote functions.
How much storage can this DVR support?
One SATA interface supports one hard drive up to 16TB. One preinstalled 4TB surveillance-grade drive is included; actual retention varies by camera count, resolution, frame rate, compression and recording schedule.
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