SKU: 40857551909

Dahua 4 Channel NVR4104HS-P-AI/ANZ Compact 1U 1HDD 4PoE WizSense NVR

Sale price$161.10 Regular price$179.00
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Description

Dahua 4 Channel NVR4104HS-P-AI/ANZ Compact 1U 1HDD 4PoE WizSense NVRSystem Main Processor Industrial grade processor Operating System Embedded Linux Operating Interface Web, Local GUI AI AI by Recorder Face detection; face recognition; perimeter protection; and SMD AI by Camera Face detection; face recognition; perimeter protection; SMD; ANPR; people counting; stereo analysis; heat map Perimeter Protection Perimeter Performance AI by Recorder (Number of Channels) 2 channels, 10 IVS rules for each channel Perimeter

System

Main Processor

Industrial-grade processor

Operating System

Embedded Linux

Operating Interface

Web, Local GUI

AI

AI by Recorder

Face detection; face recognition; perimeter protection; and SMD

AI by Camera

Face detection; face recognition; perimeter protection; SMD; ANPR; people counting; stereo analysis; heat map

Perimeter Protection

Perimeter Performance AI by Recorder (Number of Channels)

2 channels, 10 IVS rules for each channel

Perimeter Performance of AI by Camera (Number of Channels)

All channels (8 targets/s)

Face Detection

Face Attributes

Gender; age group; glasses; expressions; face mask; beard

Face Detection Performance of AI by Recorder (Number of Channels)

1 channel (up to 12 face images/s each channel)

Face Detection Performance of AI by Camera (Number of Channels)

All channels (8 targets/s)

Face Recognition

Face Database Capacity

Up to 10 face databases with 20,000 images, with a total capacity of 2.5 G. Name, gender, birthday, address, credential type, credential No., countries & regions and state can be added to each face image.

Face Recognition Performance of AI by Recorder (Number of Channels)

4-channel FD (by camera) + FR (by recorder),image stream: 12 face images/s
1-channel FD (by recorder) + FR (by recorder), video stream: 12 face images/s

Face Recognition Performance of AI by Camera (Number of Channels)

All channels (8 targets/s)

SMD Plus

SMD Plus by Recorder

4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain and lighting condition change

SMD by Camera

All channels (16 targets/s)

Audio and Video

Access Channel

4 channels

Network Bandwidth

80 Mbps incoming, 80 Mbps recording and 80 Mbps outgoing

Resolution

16 MP;12 MP;8 MP;6 MP;5 MP;4 MP;3 MP;1080p;720p;960p;D1;CIF

Decoding Capability

AI disabled: 2-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 4-channel 8 MP@30 fps
AI enabled: 1-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 3-channel 8 MP@30 fps; 3-channel 6 MP@30 fps; 4-channel 5 MP@30 fps

Video Output

1 HDMI, 1 VGA
HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720
VGA: 1920 × 1080, 1280 × 1024, 1280 × 720
*Simultaneous/heterogeneous video sources output for VGA and HDMI is configurable.

Multi-screen Display

1st Screen: 1/4
2nd Screen: 1/4

Third-party Camera Access

Panasonic, Sony, Hanwha, Axis, Pelco, Arecont, ONVIF, Canon

Compression Standard

Video Compression

Smart H.265+; H.265; Smart H.264+; H.264; MJPEG

Audio Compression

G.711a; G.711u; PCM; G726

Network

Network Protocol

HTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UPnP; SNMP; UDP; SMTP; NTP; DHCP; DNS; IP Filter; PPPoE; DDNS; FTP; Alarm Server; IP Search (Support Dahua IP camera, DVR, NVS, etc.); P2P; Auto Registration

Mobile Phone Access

iOS; Android

Interoperability

ONVIF 23.12(Profile T; Profile S; Profile G); CGI; SDK

Browser

Chrome; IE9 and later; Firefox

Recording Playback

Multi-channel Playback

Up to 4 channels

Record Mode

General, motion detection; intelligent; alarm

Backup Method

USB device and network

Playback Mode

Instant playback, general playback, event playback, tag playback, smart playback

Alarm

General Alarm

Motion detection; privacy masking; video loss; scene changing; PIR alarm; IPC external alarm

Anomaly Alarm

Error (no disk; disk error; low space; low quota space; abnormal disk health; network disconnection; IP conflict; MAC conflict); video loss; video tampering; camera offline; audio detection

Intelligent Alarm

Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map

Alarm Linkage

Record; snapshot; IPC external alarm output; audio; buzzer; log; preset; email

Port

Audio Input

1-channel RCA

Audio Output

1-channel RCA

Disk Interface

1 SATA port, up to 20 TB.The maximum HDD capacity varies with environment temperature.

USB

2 (1 front USB 2.0 port, 1 rear USB 2.0 port)

HDMI

1

VGA

1

Network Port

1 (10/100 Mbps Ethernet port, RJ-45)

PoE Port

4 ports, 10/100 Mbps, IEEE 802.3 af/at

General

Power Supply

53 VDC, 1.226 A

Power Consumption

< 10 W (without HDD)
Total maximum output power of PoE is 45 W, the maximum output power of a single port is 25.5 W

Net Weight

0.86 kg (1.90 lb)

Gross Weight

1.88 kg (4.14 lb)

Product Dimensions

260 mm × 232.7 mm × 47.6 mm (10.24" × 9.16" × 1.87") (W × D × H)

Packaging Dimensions

333 mm × 89 mm × 315 mm (13.11" × 3.50" × 12.40") (W × L × H)

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Storage Temperature

–20 °C to +60 °C (–4 °F to +140 °F)

Operating Humidity

10%–93% (RH), non-condensing

Certifications

FCC: 47 CFR FCC Part15, SubpartB, Class A
CE-EMC: EN 55032:2015+A1:2020; EN IEC 61000-3-2:2019+A1:2021; EN 61000-3-3:2013+A1:2019+A2:2021; EN 55035:2017+A11:2020; EN 50130-4:2011+A1:2014
CE-LVD: EN 62368-1:2014

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40857551909

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4.7 ★★★★★
Based on 9 reviews
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Product Reviews
M
Verified Purchase
Matthew
Phoenix, US
★★★★★ 5
Top quality tool that improves espresso extraction
Color: Gray
Fantastic and easy to use. Stand sits on top of espresso machine and the WDT tool is always ready, no unscrewing. Upgraded from a screw-shut version and couldn't be happier. Comes with extra needles which I hope to never need. Easy to recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
E
Verified Purchase
E. A. Baptist
Port Orchard, US
★★★★★ 4
Makes a difference but maybe only to caffeine addled coffee snobs
Color: Black
I won't say that everyone urgently needs one of these. This is helped me up my game. Perhaps not absolutely necessary, but it noticeably reduces canalization and improves extraction. And it appears to have improved not only my espresso, but my pour-overs and my Mokapot (especially the Mokapot!). It's a little fiddley to assemble - there's sets of springs and needles - but once you get it all locked down, its very tight. There's a set of spares - I can't imagine needing them. The tool kinda sits in the weighted base, but it appears to stay put in my cabinet.
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Reviewed in the United States on May 24, 2026
D
Verified Purchase
David J.
Belleville, US
★★★★★ 5
Excellent espresso tool
Color: Black
Very nicely made and works as intended. Also comes with extra needles. Highly recommend.
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Reviewed in the United States on May 17, 2026
J
Verified Purchase
JP Richardson
Fort Morgan, US
★★★★★ 5
WDT Tool: The Needle in My Espresso Haystack
Color: Black, Color: Black
I kind of went down a deep dive researching these WDT (Weiss Distribution Technique) tools, and I have to say, this one hits the sweet spot! The needle size is just right, and the shape is spot on for what I need. Plus, it’s a nice perk that you can remove and replace the needles. I’ve tried using needles and bobby pins in the past, but they were too thick and just ended up creating their own channels—talk about a brewing disaster! Now, here’s the twist: even though it comes with seven needles installed (and more replacements), I find it a bit overkill. With all those needles, it just traps the grinds in the center, pushing stuff around like it’s playing a game of “don’t let the coffee escape.” So, I stick with just three needles in a triangle formation for optimal distribution. Pro tip: don’t forget to adjust the depth as you use it to ensure you’re getting the best coverage of your coffee grounds! The build quality is actually pretty impressive. It feels like well-constructed metal components that could survive a small espresso war. Plus, it's more affordable than some of those fancy options out there—because who needs a second mortgage for great coffee? It looks quite nice on my counter, and the little stand is a handy extra touch. Overall, if you’re looking to up your espresso game and avoid the chaos of uneven distribution, this WDT tool is worth considering. Just remember: less is sometimes more when it comes to needles!
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Reviewed in the United States on October 20, 2024
V
Verified Purchase
Victoria Hawkins
Massapequa, US
★★★★★ 5
Love this thing!!!
Color: Black, Color: Black
Hey, coffee lovers! ☕️ I recently got my hands on the WDT Espresso Distribution Tool Espresso Stirrer Tools for Barista, and let me tell you, it's a game-changer! 🙌 I'm absolutely thrilled with this amazing tool and can't recommend it enough to fellow coffee enthusiasts and professional baristas alike. First things first, the build quality of this espresso stirrer is top-notch! 💪 The aluminum alloy handle not only adds durability but also gives it a sleek and professional look, especially in the matte black finish. Holding this tool feels great, and the ergonomic design ensures a comfortable grip even during those long brewing sessions. The 0.35mm 7 needles are perfectly spaced, allowing for precise and consistent distribution of coffee grounds in the portafilter. This means a more even extraction and an enhanced flavor profile in every sip. And guess what? You get 7 extra replaceable needles as a bonus! 🎉 This ensures the longevity of the tool and easy replacement when needed. But wait, there's more! The included stand is a fantastic addition to this package. 🎁 It not only serves as a convenient storage solution but also adds a touch of elegance to my coffee setup. No more rolling around and cluttered workspace. Everything stays in place, thanks to the stand! Using the WDT Espresso Distribution Tool is a breeze! ⚡️ The precisely engineered needles and ergonomic design make it effortless to distribute the coffee grounds evenly. Whether you're a pro barista or a home brewing enthusiast, this tool will take your espresso game to new heights. Trust me on this one! In conclusion, the WDT Espresso Distribution Tool Espresso Stirrer is an absolute must-have for any coffee lover out there. 💯 Its top-notch build quality, precision, and thoughtful design will bring joy to your coffee routine. So, don't wait any longer! Treat yourself and elevate your espresso-making experience with this amazing tool. Cheers! 🥳☕️
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Reviewed in the United States on June 12, 2023

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