DAHUA HAC-B4A21-VF 2MP HDCVI IR Bullet Camera
SKU: 9792952281

DAHUA HAC-B4A21-VF 2MP HDCVI IR Bullet Camera

$106.20 $118.00
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Description

DAHUA HAC-B4A21-VF 2MP HDCVI IR Bullet CameraDAHUA HAC B4A21 VF 2MP HDCVI IR Bullet Camera > Max. 30 fps@1080p > CVI CVBS AHD TVI switchable > 2. 7 12 mm vari focal lens > Max. IR length 40 m, Smart IR > IP67,12 VDC Product Data Camera Pixel 2 MP Image Sensor 2MP CMOS Max. Resolution 1920 (H) 1080 (V) Scanning System Progressive Electronic Shutter Speed PAL: 1 25 s1 100,000 s NTSC: 1 30 s1 100,000 s Min. Illumination 0. 04 lux@F1. 7 (Color, 30 IRE) 0. 004 lux@F1. 7 (B W, 30 IRE) 0 lux

DAHUA HAC-B4A21-VF 2MP HDCVI IR Bullet Camera

> Max. 30 fps@1080p

> CVI/CVBS/AHD/TVI switchable

> 2.7-12 mm vari-focal lens

> Max. IR length 40 m, Smart IR

> IP67,12 VDC

Product Data

Camera

Pixel

2 MP

Image Sensor

2MP CMOS

Max. Resolution

1920 (H) × 1080 (V)

Scanning System

Progressive

Electronic Shutter Speed

PAL: 1/25 s–1/100,000 s
NTSC: 1/30 s–1/100,000 s

Min. Illumination

0.04 [email protected] (Color, 30 IRE)
0.004 [email protected] (B/W, 30 IRE)
0 lux (Illuminator on)

S/N Ratio

>65 dB

Illumination Distance

40 m (131.23 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

2 (IR light)

Pan/Tilt/Rotation Range

Pan: 0°–360°
Tilt: 0°–90°
Rotation: 0°–360°

Lens

Lens Type

Manual Vari-focal

Lens Mount

φ14

Focal Length

2.7–12 mm

Max. Aperture

F1.7

Field of View

H: 102°–32°; V: 54°–18°; D: 121°–37°

Iris Control

Fixed

Close Focus Distance

0.8 m (2.62 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

W

45.5 m

(149.28 ft)

18.2 m

(59.71 ft)

9.1 m

(29.86 ft)

4.6 m

(15.09 ft)

T

137.9 m

(452.43 ft)

55.2 m

(181.10 ft)

27.6 m

(99.55 ft)

13.8 m

(45.28 ft)

Video

Video Frame Rate

CVI:
PAL: 1080p@25 fps; 720p@25 fps
NTSC: 1080p@30 fps; 720p@30 fps
TVI:
PAL: 1080p@25 fps; 720p@25 fps
NTSC: 1080p@30 fps; 720p@30 fps
AHD:
PAL: 1080p@25 fps; 720p@25 fps
NTSC: 1080p@30 fps; 720p@30 fps
CVBS:
PAL: 960H
NTSC: 960H

Resolution

1080p (1920 × 1080); 720p (1280 × 720); 960H (960 × 576/960 × 480)

Day/Night

Auto (ICR)/Color/B/W

BLC

BLC; HLC; DWDR

WDR

DWDR

White Balance

Auto; Area white balance

Gain Control

Auto/Manual

Noise Reduction

2D NR

Smart Illumination

Yes

Mirror

Yes

Privacy Masking

Off/On (8 areas, rectangle)

Certification

Certifications

CE (EN55032:2015, EN61000-3-2:2014, EN61000-3-3:2013, EN55024:2010+A1:2015, EN55035:2017, EN50130-4:2011+A1:2014, EN62368-1:2014+A11:2017)
FCC (CFR 47 FCC Part 15 subpartB, ANSI C63.4-2014)

Port

Video Output

Video output choices of CVI/TVI/AHD/CVBS by one BNC port

Power

Power Supply

12 VDC ± 30%

Power Consumption

Max. 4.6 W (12 VDC, IR on)

Environment

Operating Temperature

–30 °C to +60 °C (–22 °F to 140 °F)

Operating Humidity

<95% (RH), non-condensing

Storage Temperature

–30 °C to +60 °C (–22 °F to +140 °F)

Protection

IP67

Structure

Casing

Metal

Product Dimensions

209.6 mm × 90.4 mm × 90.4 mm (8.25" × 3.56" × 3.56")

Packaging Dimensions

250 mm × 135 mm × 110 mm (9.84" × 5.31" × 4.33")

Net Weight

0.59 kg (1.30 lb)

Gross Weight

0.75 kg (1.65 lb)

Installation

Wall mount; ceiling mount; horizontal pole mount
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: 9792952281

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4.7 ★★★★★
Based on 1010 reviews
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Product Reviews
J
Verified Purchase
jmb02129
Port Orchard, US
★★★★★ 5
Fantastic Boots!
Size: 8.5, Color: Redwood/Gum 10
Completely satisfied with these boots. True to size, well made, comfortable from the get-go; not break in needed. Waterproof- really. The Red Suede has withstood a nasty winter season & still looks great. Good traction. I like the ankle height which looks good with long, mid length pants & leggings. I love the easy slip on/off aspect..made getting ready for dog walking easy. I 100%recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
P
Verified Purchase
Paige
Pawtucket, US
★★★★★ 5
Definitely worth the price
Size: 6.5, Color: Black/Black
Absolutely love these boots! I originally bought them to wear in NYC in December & they did not disappoint. They were comfortable, cute, durable and worked well in the slush/snow. The traction on the bottom is also nice! They kept me warm with wool socks. I wear them almost daily now. Perfect for everyday. easy to wear with variety of outfits. Good every day shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
K
Verified Purchase
Kimberly
Grantham, US
★★★★★ 5
Snagged a deal
Size: 7, Color: Redwood/Gum 10
I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
A
Verified Purchase
ashlynnk
Dallas, US
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
A
Verified Purchase
Abby B
Boise, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026

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