SKU: 91260079472

Dahua 5MP IPC-HDW2531T-ZS-S2 Lite IR Vari-focal Eyeball Network Camera

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Description

Dahua 5MP IPC-HDW2531T-ZS-S2 Lite IR Vari-focal Eyeball Network CameraCamera Image Sensor 1 2. 7 5Megapixel progressive CMOS Effective Pixels 2592(H) x1944(V) RAM ROM 512MB 32MB Scanning System Progressive Electronic Shutter Speed Auto Manual, 1 3~1 100000s Minimum Illumination 0. 02Lux F1. 6( Color,1 3s,30IRE) 0. 2Lux F1. 6( Color,1 30s,30IRE) 0Lux F1. 6(IR on) S N Ratio More than 50dB IR Distance Distance up to 50m(164ft) IR On Off Control Auto Manual IR LEDs 2 Lens Lens Type Motorized Mount Type Board in Focal Length

Camera

Image Sensor

1/2.7” 5Megapixel progressive CMOS

Effective Pixels

2592(H) x1944(V)

RAM/ROM

512MB/32MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual, 1/3~1/100000s

Minimum Illumination

0.02Lux/F1.6( Color,1/3s,30IRE)

0.2Lux/F1.6( Color,1/30s,30IRE)

0Lux/F1.6(IR on)

S/N Ratio

More than 50dB

IR Distance

Distance up to 50m(164ft)

IR On/Off Control

Auto/ Manual

IR LEDs

2

Lens

Lens Type

Motorized

Mount Type

Board-in

Focal Length

2.7mm~13.5mm

Max. Aperture

F1.6

Angle of View

H:85°~27.1°, V:62.4°~20.1°

Focus Control

Motorized

Close Focus Distance

0.3m

DORI Distance

Lens

Detect

Observe

Recognize

Identify

W

64m(210ft)

26m(85ft)

13m(43ft)

6m(20ft)

T

222m(728ft)

89m(292ft)

44m(144ft)

22m(72ft)

PTZ

Pan/Tilt Range

Pan:0°~360 ° ;Tilt:0°~78° ;Rotation:0° ~360°

Intelligence

Event Trigger

Motion detection, Video tampering, Scene changing, Network disconnection, IP address conflict, Illegal access, Storage anomaly

IVS

Tripwire, Intrusion

Video

Compression

H.265/H.264H/MJPEG(Sub Stream)

Smart Codec

Support H.265+/H.264+

Streaming Capability

2 Streams

Resolution

5M(2592×1944)/4M(2688x1520)/3M(2304×1296/2048x1536)/1080P(1920×1080)/720P(1280×720)/

D1(704×576/704×480)/VGA(640×480)/CIF(352×288/352×240)

Frame Rate

Main Stream: 5M (1 ~ 15fps)/3M(1 ~ 25/30fps)

Sub Stream: D1(1 ~ 25/30fps)

Bit Rate Control

CBR/VBR

Bit Rate

H.265: 12K ~ 6400Kbps

H.264: 32K ~ 10240Kbps

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SKU: 91260079472

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4.2 ★★★★★
Based on 10 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 5
Add this to every DoD Reading List!
Format: Kindle
There were so many great excerpts throughout the book that my highlights filled 16 pages in MS Word. This is a must read for all Pentagon personnel, those in operational commands, the acquisition community, and defense industry. Chris' insights as McCain's advisor were invaluable to understand the nuances and competing incentives of the DoD, industry, and Congressional perspectives. "The problem is that America is playing a losing game. Over many decades we have built our military around small numbers of large, expensive, exquisite, heavily manned, and hard to replace platforms that struggle to close the kill chain as one battle network. China, meanwhile, has built large numbers of multi million dollar weapons to find and attack America’s small numbers of exponentially more expensive military platforms." "It requires a sweeping redesign of the American military: from a military built around small numbers of large, expensive, exquisite, heavily manned, and hard to replace platforms to a military built around large numbers of smaller, lower cost, expendable, and highly autonomous machines." "New technologies alone will not save us. We need new thinking — an ambitious effort to reimagine the ends, ways, and means of US military power, as well as the role of our allies in this effort — to succeed in a future world where America’s military superiority will likely erode further if China’s military technological development continues."
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2020
D
Verified Purchase
Dick Martin
Carnegie, US
★★★★★ 5
The Real Arms Race
Format: Kindle
I am a life-long Democrat, supposed to bristle at the very idea of military spending. Brose's book convinced me the problem is not how much we spend, but what we're spending it on. "Kill chain" is military-speak for the three phases of combat -- figuring out what's going on, deciding what to do about it, and taking effective action. Brose spells out how technology changed all three phases while the Defense Department and its minders in Congress weren't paying attention. The result has been to significantly undermine our military preparedness and, more importantly, the ultimate goal of deterrence. For all the money we're spending, Brose shows how it's mostly on the wrong things, i.e., large, expensive platforms that are only incremental improvements over prior systems designed for different times. He shows how the military-industrial complex, abetted by a Congress invested in the status quo, is arming our military with technology inferior to what you'd find in a modern automobile. The development of the Internet may have been kick-started by the defense department back in the 1960s, but the information revolution that followed largely left the U.S. military behind. Meanwhile, potential adversaries are compensating for relatively lower defense budgets by exploiting emerging technologies that could change the character of war, raising multiple ethical, geo-political, and governance issues. The Kill Chain is compelling, scary, and must-reading for our political leaders and all intelligent voters.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2020
P
Verified Purchase
Peter A. Scala
Waukegan, US
★★★★★ 5
Well written and thought-out approach to change DoD acquisition
Format: Hardcover
I'm a Navy acquisition manager and former Navy officer. I very strongly recommend this book as required reading for Pentagon (especially flag officers and SESs), congressional staffs, defense contractors and those who would be defense contractors, Silicon Valley companies, and everyone who cares about the future of the United States. The author expertly characterizes the current world situation and the issues with DoD acquisition practices. He is not brutal about it, but fair. He explains the background and history behind how we got to where we are, and identifies a path forward. I believe that following the approach recommended is very hard, but very worth while. The author worked for Senator McCain for almost ten years, and it is clear that this book benefits from his experience. My only gripe (and it is a minor one) is that very occasionally the author allows his feelings about Trump to manifest in a negative way. This is often justified, but it shouldn't be so one-sided. Nevertheless, this book is must-read, and deserves five stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2021
C
Verified Purchase
Craig Hart
Birmingham, US
★★★★★ 4
Very Educational
Format: Paperback
I enjoyed the book. I wish the average American would take more of an interest in these kinds of issues facing the U S in the China sea region of the world.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2024
A
Verified Purchase
art
Pawtucket, US
★★★★★ 5
The Future Efficiency of Killing
Format: Hardcover
A sobering review of how to efficiently kill one another.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025

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