NVR2204-P-4KS2 - VCR Dahua Technology - Free user manual and instructions
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| Product Type | Network Video Recorder (NVR) |
| Model | NVR2204-P-4KS2 |
| Brand | Dahua Technology |
| Channels | 4 |
| Video Input | IP cameras |
| Recording Resolution | Up to 4K (3840x2160) |
| PoE Ports | 4 (IEEE 802.3af/at) |
| Built-in PoE Switch | Yes, total power supply 50W |
| Hard Drive Support | 1 SATA III, up to 10TB |
| Dimensions (WxDxH) | 260 x 240 x 48 mm |
| Weight | 1.5 kg (without HDD) |
| Power Supply | DC 48V / 1.25A (power adapter included) |
| Main Functions | Smart H.265+ compression, motion detection, remote access via web/APP, playback, backup |
| Network Interface | 1x 10/100/1000 Mbps Ethernet |
| USB Ports | 2x USB 2.0 |
| Video Output | 1x HDMI 2.0, 1x VGA |
| Audio | 1-ch audio input, 1-ch audio output (RCA) |
| Alarm I/O | 4 inputs / 1 output |
| Security | Password protection, user permissions, HTTPS, SSH |
| Maintenance & Cleaning | Keep in dry place, clean casing with dry soft cloth, ensure proper ventilation |
| Spare Parts & Repairability | Replacement power adapter available, HDD user-replaceable; contact vendor for other parts |
| General Information | 4-channel NVR with PoE for easy installation, supports up to 4K recording and intelligent analytics |
Frequently Asked Questions - NVR2204-P-4KS2 Dahua Technology
How many IP cameras can I connect to the NVR2204-P-4KS2?
You can connect up to 4 IP cameras directly via the built-in PoE ports. Additional cameras can be added through the network switch, but recording channels are limited to 4 total.
What is the maximum hard drive capacity supported?
The NVR supports one SATA III hard drive up to 10TB for local storage.
Can I access the NVR remotely?
Yes, you can access the NVR remotely via the Dahua Web Service on a PC or using the DMSS app on smartphones.
What video compression formats are supported?
The NVR supports Smart H.265+, H.265, H.264+, and H.264 compression to save storage and bandwidth.
Does the NVR support 4K resolution?
Yes, it records and displays video up to 4K (3840x2160) resolution at up to 30 fps.
How do I reset the NVR to factory defaults?
Press and hold the Reset button on the back panel for 10 seconds while the device is powered on. This will restore all settings to default.
Can I use non-PoE cameras with this NVR?
Yes, but they will require a separate power source. The PoE ports are only for cameras that support PoE. Connect non-PoE cameras via the network switch if needed.
What is the warranty period for the NVR?
The standard warranty is 2 years from the date of purchase. Check with your vendor for details.
How to update the firmware?
Download the latest firmware from the Dahua official website, upload it via the NVR's web interface under 'System Maintenance' > 'Update', and follow on-screen instructions.
Can I expand the storage?
The NVR has a single SATA bay, so you can replace the existing HDD with a larger one up to 10TB. For additional storage, consider network storage (NAS) or FTP backup.
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USER MANUAL NVR2204-P-4KS2 Dahua Technology
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Product information
Brand : Dahua Technology
Model : NVR2204-P-4KS2
Category : VCR