SKU: 42320040429

DAHUA ASC2204B-S 4 Door One-way Access Controller

$134.06 $148.95
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Description

DAHUA ASC2204B-S 4 Door One-way Access ControllerASC2204B S > Support TCP IP communication > Two dual communication protocols: RS 485 and Wiegand (W26 and W34) > Holds 100,000 users and stores 500,000 card swiping records > Support interlock, group combination, anti passback, remote unlock, and more > Support card reader tamper alarm, intrusion alarm, door sensor timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm > Built in RTC, support manual time

ASC2204B-S

> Support TCP/IP communication

> Two dual communication protocols: RS-485 and Wiegand (W26 and W34)

> Holds 100,000 users and stores 500,000 card swiping records

> Support interlock, group combination, anti-passback, remote unlock, and more

> Support card reader tamper alarm, intrusion alarm, door sensor timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm

> Built-in RTC, support manual time synchronization and auto time synchronization

> Support power-off memory protection and online upgrade

> Support watchdog (a device that protects a system from software or hardware failures)

> Support PoE power supply




Product Data

System

Internet Protocol

IPv4; TCP; UDP

OSDP Protocol

Yes

SDK and API

Yes

Basic

Product Appearance

Model B slide rail

Buzzer

Yes

Casing Material

PC+ABS

Function

Unlock Mode

Card/remote/password/fingerprint unlock

Period List

128

Holiday Period

128

Network Update

Yes

First-Card Unlock

Yes

Remote Verification

Yes

Blocklist/Allowlist

Yes

Peripheral Card Reader

4 RS-485 card readers
4 Wiegand card readers

Multi-door Interlock

Yes

Group Combination

Card/password/fingerprint unlock

Real-Time Surveillance

Yes

Multiple Authentication

Yes

User

User (Card) Type

General user, VIP user, patrol user, guest user, blocklist user, and other user

Capacity

User

100,000

Fingerprint

3,000

Card

100,000

Record Capacity

500,000

Port

RS-485 Port

5 RS-485 ports

Wiegand

4 Wiegand ports

Network

One 10/100 Mbps network port

Alarm Input

1 (digital quantity)

Alarm Output

1 (relay)

Alarm Linkage

Yes

Exit Button

4

Door Status Detection

4

Lock Control

4, stays open by default

Alarm

Anti-Passback

Yes

Tamper

Yes

Duress

Yes

Door Sensor Timeout

Yes

Intrusion

Yes

Illegal Card Exceeding Threshold

Yes

Duress Fingerprint

Yes

General

Power Supply

Standard POE (an additional power supply for the door lock is needed);

DC 12V (support supplying power to the door lock)

IP Rating

IP20, IK04

Power Consumption

Standby 1.0W, working 13.0W (Standard PoE; rated voltage of the card reader power supply is 12V, and the total max. rated current is 1.4A);

Standby 0.8W, working 41.6W (DC 12V; rated voltage of the card reader power supply is 12V, and the total max. rated current is 1.4A; rated voltage of the door lock power supply is 12V, and the total max. rated current is 2A)

Product Dimensions

210 mm × 106 mm × 50 mm (8.27”× 4.17”× 1.97”)

Packaging Dimensions

Packaging box: 255 mm × 166 mm × 87 mm (10.04”× 6.54”× 3.43”)
Protective box: 508 mm × 265 mm × 190 mm (20.0”× 10.43”× 7.48”)

Operating Temperature

–30°C to +60°C (–22°F to +140°F)

Operating Humidity

5%RH–90%RH (no condensation)

Operating Altitude

0 m–1300 m (0 ft–4265.10 ft)

Operating Environment

Indoor

Gross Weight

0.6 kg (1.33 lb)

Installation

Surface/guide rail mount

Certification

CE/FCC/UL
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: 42320040429

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4.3 ★★★★★
Based on 28 reviews
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Product Reviews
Y
Verified Purchase
Yildrey Hernandez
Houston, US
★★★★★ 5
Bed Sheets
Color: Bright White Striped, Size: Queen
I’m really happy with these bed sheets. They feel soft and comfortable against the skin, and the crisp white color gives the bed a clean, fresh look. The fabric is lightweight but still feels durable and well made. They fit the mattress nicely and stay in place throughout the night. After washing, they came out looking great with no noticeable shrinking or loss of softness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
C
Verified Purchase
Carolyn
Fort Morgan, US
★★★★★ 5
Great sheet set
Color: Blush Pink, Size: Full
Super soft right out of the package. Thin material but should be perfect for cool nights. Blush pink is the perfect shade of pink. Love this set. Highly recommended especially at this price point.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
J
Verified Purchase
Johanna Duska
West Palm Beach, US
★★★★★ 5
Perfect Lightweight Sheets for Sensitive Hot sleepers
Color: Cream, Size: Queen
These sheets are soft, thin, and absolutely perfect for me. I have advanced CRPS and erythromelalgia, so I deal with severe nerve burning and heat sensitivity and cannot tolerate being overheated at all. I keep our AC between 56–64 degrees constantly, and since our studio is small, it usually stays around 61–63. These sheets have been a lifesaver for sleep. They are lightweight, breathable, and don’t trap heat, which helps me avoid extreme flare-ups and the intense burning pain I deal with. I'm bedridden so I need to be comfortable. They feel comfortable against my skin and don’t worsen my symptoms when I’m already in a lot of pain and look nice, wash nicely. For the price, they are also a great value. I’m genuinely grateful to have found something that helps me rest more comfortably. Will be buying more for us and gifts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
Y
Verified Purchase
Yudelkys del Toro
Cuba, US
★★★★★ 5
Sheet set
Color: Burgundy, Size: Queen
This lightweight microfiber sheet set stands out for its softness, comfort, and elegant design. Its fabric feels cool to the touch, withstands daily use, and is easy to wash, retaining its vibrant color wash after wash. It is an excellent choice for adding a cozy and sophisticated touch to the bedroom at an affordable price.
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Reviewed in the United States on May 22, 2026
A
Verified Purchase
ashlee
Belleville, US
★★★★★ 5
Great set of sheets
Color: Blue Pinstripe, Size: Twin
These microfiber sheets are incredibly soft and comfortable, especially for the price. I purchased the blue and white set for my daughter’s bed, and she loves them. The colors are bright and exactly as pictured. They fit the mattress well, don’t slip off the corners, and wash up nicely without pilling or fading. The brushed microfiber feels cozy and lightweight, making them great for year-round use. Overall, a great value and I would definitely buy another set.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

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