NVR2104-W-4KS2 - VCR Dahua Technology - Free user manual and instructions
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| Product Type | Network Video Recorder |
| Model | NVR2104-W-4KS2 |
| Brand | Dahua Technology |
| Video Channels | 4 Channels (Up to 8MP IP cameras) |
| Built-in PoE Ports | 4 PoE (IEEE 802.3af/at) ports |
| Hard Drive Capacity | 1 SATA HDD up to 10TB |
| Recording Resolution | Up to 8MP (3840x2160) @ 15 fps |
| Compression | Smart H.265+/H.265/Smart H.264+/H.264 |
| Remote Access | Via web browser, DMSS app, and client software |
| Network Interface | 1 RJ45 10/100/1000 Mbps Ethernet |
| Dimensions | 260 x 235 x 48 mm (10.2 x 9.3 x 1.9 in) |
| Weight | Approximately 1.2 kg (2.65 lb) without HDD |
| Power Supply | DC 48V, 1.25A (via power adapter) |
| Power Consumption | ≤10W (without HDD) |
| Key Functions | Real-time recording, playback, motion detection, remote live view |
| Operating Temperature | -10°C to +55°C (14°F to 131°F) |
| Safety Certification | CE, FCC, UL |
| Maintenance | Keep vents clear, avoid dust and moisture, use stable power |
| Spare Parts | Power adapter, mounting screws, user manual (available online) |
| General Information | Supports HDD hot swap, eSATA not available |
Frequently Asked Questions - NVR2104-W-4KS2 Dahua Technology
How do I set up the NVR2104-W-4KS2 for the first time?
Connect the NVR to your router via Ethernet, attach cameras to the PoE ports, install a hard drive (if not pre-installed), and power on. Use the DMSS app or web browser to access the setup wizard.
Is the NVR2104-W-4KS2 compatible with 4K cameras?
Yes, it supports up to 8MP (4K) IP cameras. Ensure the cameras are ONVIF compatible and set to a supported resolution.
Can I view the NVR remotely?
Yes, you can view live and recorded footage remotely using the DMSS app on Android/iOS or via a web browser by enabling remote access in the NVR settings.
What hard drive types are supported?
The NVR supports one SATA III 3.5-inch hard drive up to 10TB. Use surveillance-grade drives like WD Purple or Seagate SkyHawk for optimal performance.
How do I reset the NVR to factory settings?
Press and hold the reset button (small hole on the back) for 10 seconds while the NVR is powered on, or use the 'Default' option in the system settings menu.
Does the NVR support audio recording?
Yes, if your IP cameras have built-in microphones or audio inputs, the NVR can record audio along with video. Ensure audio is enabled in camera settings.
What is the maximum number of users that can access the NVR simultaneously?
The NVR supports up to 10 simultaneous remote connections (live view), but performance may vary based on network bandwidth.
Can I use the NVR without a hard drive?
No, a hard drive is required for recording. Without one, you can only view live video but cannot record or playback.
How do I update the firmware?
Download the latest firmware from Dahua's official website, then go to System > Upgrade in the NVR's web interface and upload the file. Do not power off during upgrade.
Does the NVR support Wi-Fi cameras?
The NVR itself does not have Wi-Fi; it uses wired PoE connections. However, you can connect Wi-Fi cameras to your network and add them as remote devices if they are ONVIF compatible.
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USER MANUAL NVR2104-W-4KS2 Dahua Technology
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Product information
Brand : Dahua Technology
Model : NVR2104-W-4KS2
Category : VCR