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Description
DS-2CD2387G2H-LISU/SL Zwart 8MP ColorVu Hybrid Turret Flitslicht/SireneHikvision DS 2CD2387G2H LISU SL Zwart 8MP ColorVu Hybrid Turret Flitslicht Sirene Hikvision ColorVu Hybrid biedt de vrijheid om te kiezen of te combineren, 3 functies 1 camera. Deze serie camera's die zowel geschikt zijn als dag nacht camera als 24 7 kleuren camera. Is voorzien van Sirene en flitslicht en heeft PoE en een micro sd slot. Tevens 2 weg audio. Door het combineren van ColorVu met IR technologie is de camera veelzijdig inzetbaar. Dankzij de
Hikvision DS-2CD2387G2H-LISU/SL Zwart 8MP ColorVu Hybrid Turret Flitslicht/Sirene
Hikvision ColorVu Hybrid biedt de vrijheid om te kiezen of te combineren, 3 functies 1 camera.
Deze serie camera's die zowel geschikt zijn als dag/nacht camera als 24/7 kleuren camera. Is voorzien van Sirene en flitslicht en heeft PoE en een micro sd slot. Tevens 2 weg audio. Door het combineren van ColorVu met IR technologie is de camera veelzijdig inzetbaar. Dankzij de combinatie van de super diafragma en de uiterst lichtgevoelige sensor presteert de camera uitstekend in situatie met weinig licht. Waarbij er kan gekozen worden voor IR of zichtbaar witte LED bijverlichting. Ook heeft deze camera een flitslicht en sirene/speaker waarmee u een indringer effectief kunt afschrikken.
Door de hybride eigenschappen te combineren met slimme technologie beschikken deze camera's over Smart Hybrid Light. Bij het toepassen van Smart Hybrid Light schakelt de camera bij weinig licht automatisch over naar de nachtstand met IR bijverlichting. Wordt er vervolgens bijvoorbeeld een persoon gedetecteerd dan schakelt de camera om naar kleurenmodus met witte LED bijverlichting. Zo wordt de situatie gelijk goed uitgelicht, het betreffende object in kleur weergegeven en ontstond er ook een afschrik moment voor ongewenste gasten.
In de doos:
- Hikvision DS-2CD2387G2H-LISU/SL
- Schroeven
- Pluggen
- Speciale Torx inbussleutel
- Handleiding
Specificaties:
| Camera | Aantal beeldsensoren: | 1 |
| Optisch/Thermisch: | Optisch | |
| Beeldsensor: | 1/1.8 | |
| Resolutie: | 3840 x 2160 | |
| Aantal pixels: | 8MP | |
| Minimale verlichting sterkte (in kleur): | 0.0008 Lux | |
| Minimale verlichting sterkte (LED aan (zwart/wit)): | 0 Lux | |
| Verlichting: | IR, Strobe Verlichting, Witte LED | |
| LED afstand: | tot 30m | |
| LED Aan/Uit (Dag/Nacht): | Auto/Handmatig | |
| Sluitersnelheid: | 1/3s ~ 1/100,000s | |
| Ruisonderdrukking: | 3DNR | |
| Lens | Lens type: | Vaste lens |
| Iris: | Vaste Iris | |
| Brandpuntsafstand: | 2.8mm | |
| Maximale opening: | F1.0 | |
| Horizontale openingshoek: | 108.8° | |
| Verticale openingshoek: | 56.4° | |
| Focusbediening: | Auto/Handmatig | |
| Video | Stream mogelijkheid: | 3 streams |
| Video compressie: | H.264, H.264 +, H.265, H.265 +, MJPEG | |
| Beelden per seconde (Hoofdstream): | 25 fps @3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720 | |
| 2de stream: | 25 fps @1280 × 720, 640 × 480, 640 × 360 | |
| 3de stream: | 10 fps @1920 × 1080, 1280 × 720, 640 × 480, 640 × 360 | |
| Bitrate: | 32 Kbps ~ 16 Mbps | |
| Dag/Nacht: | Auto (filter), Kleur, Zwart/Wit | |
| Lichtcompensatie: | BLC, HLC, WDR(130dB) | |
| Bewegingsdetectie: | Aan/Uit | |
| Slimme Functies: | AI Face Capture/Attributes | |
| AI Perimeter Protection | ||
| Object Classificatie | ||
| Intrusion Detection | ||
| Line Crossing | ||
| Region Entrance Detection | ||
| Region Exiting Detection | ||
| Scene Change Detection | ||
| Smart IR: | Ja | |
| Smart LED: | Auto/Handmatig | |
| Elektronische Beeld Stabilisatie(EIS): | Nee | |
| Defog: | Nee | |
| Privacy-maskering: | Ja | |
| Audio | Ingebouwde microfoon: | Ja |
| Audio ingang: | Ja | |
| Audio Uitgang: | Ja | |
| Audio Compressie: | AAC, G.711, G.722.1, G.726, MP2L2, PCM | |
| Speaker: | Ja | |
| Netwerk | Ethernet: | 1 RJ45 10M/100M self-adaptive Ethernet port |
| Opslag optie SD-kaart: | Ja | |
| Maximale Opslag Capaciteit SD-kaart: | 512 GB | |
| Interface | RS-485: | Nee |
| Alarm: | Ja | |
| Aantal kanalen in: | 1 input max. 24 VDC/24 VAC, 1 A) | |
| Aantal kanalen uit: | 1 output max. 24 VDC/24 VAC, 1 A | |
| Elektrisch | inclusief voeding: | Nee |
| Voeding: | 12V DC, PoE (Type IEEE 802.3af) | |
| Max Verbruik: | 12v max. 9W PoE max. 10.5W |
|
| Omgeving | Werktemperatuur: | -30°C ~ +60°C |
| Waterdichtheid: | IP67 | |
| Constructie | Materiaal | Metaal |
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4.4 ★★★★★
Based on 356 reviews
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Product Reviews
★★★★★ 5
This is a "Go-To" for thinking about Cloud Challenges.
Format: Paperback
Delivering and managing fully realized applications in the cloud is different. Different approaches to classic engineering problems than traditional On Premise development and different ways of thinking through the problems of "always available" solutions.
I've been in the software delivery business a long time, and with the cloud emerging, for good and ill: I understand the problems, but may be just a little set in my ways. I find this book helps me re-frame challenges in a way that aligns with the strengths of cloud computing. Solve the same problems faster, by thinking about them differently.
I'm finding "97 Things Every Cloud Engineer Should Know" great for re-centering my expectations about Cloud Native development and deployment of assets. I started reading it cover to cover over the Christmas Holiday but now i just pick it up and look for the group of essays about exactly the problem I'm wrestling with.
P.S. I'm heartened by the editors commitment to Black Lives Matter and Rule of Law. Mentioned only to balance the concerns from another review.
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Reviewed in the United States on January 24, 2021
★★★★★ 3
have some good contents but too general
Format: Paperback
The book covers some good points, but overall, it's too general.
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Reviewed in the United States on June 28, 2024
★★★★★ 3
Why Politics in a Tech Book????
Format: Kindle
Well... I'm surprised to see the book blatently calls out its dedication to Black Lives Matter, which is in all caps so I assume it's referring to the political organization. It goes on to speak of 2020 being the year of an "awakening of injustices of systematic racism"... I thought I was buying a technical book??? Had I known this political bs was included I wouldn't have purchased it! However, I bought and I'm still reading it. If the politics goes away and the TECHNICAL content is good I'll update my review.
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Reviewed in the United States on December 13, 2020
★★★★★ 2
Not good use of time
Format: Paperback
It’s not clear who this book targets - neither experts nor novice will benefit. There are expert perspectives, only few of these are helpful, rest are too generic to be of any use. For instance the last entry is one an engineer who shares how she went from zero to expert in cloud engineering in six months but fails to mention a single resource or pathway for others to follow.
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Reviewed in the United States on April 2, 2022
★★★★★ 3
Uneven compendium of tips and insights, but still very useful
Format: Kindle, Format: Kindle
“In theory, theory and practice are the same. In practice, they are not" is why such bottom-up insights and lessons from the field are the fastest way to learn real life stuff. This series had a GREAT start with "Engineering Management" - I guess because it is way more subjective than Cloud Engineering and offered a variety of non-overlapping POVs. This one is a mixed bag, perhaps because "Cloud Engineering" was perceived amorphously by the authors. The scope was broad - from cloud-native (architecture), to cloud-ready (topology), to cloud-operations, to choosing tech (e.g., Lambda/serverless), to -ilities and economics -- it is like celebrating Halloween, Christmas and Labor Day together in a single long weekend.
I would give it 4/+ stars if at least 25% of such a book was "superb", giving 3 because about 10% of the book is. That still leaves 10 solid insights or learning that would otherwise take many failures to learn. And failures, especially in this emerging domain of complexity, is VERY expensive. Would love to see more books like this.
Let's summarize some key insights -
-- Real-time visibility across the entire DevOps lifecycle is key to winning in cloud.
-- Operations, especially operations at scale, is extremely hard. So, wherever possible, use Managed Services.
-- Distinguish between "availability" and "uptime" and measure each separately, and concretely.
-- In FaaS/Serverless, calling a function synchronously increases debugging complexity.
-- Good code is like good joke - it needs no explanation.
-- "Building your app or platform on top of the abstractions that a cloud provider gives you does not make the underlying layers stop existing. In many cases, it makes them even more important." That makes the failure modes LESS obvious than we were used to. Therefore having "extreme visibility" into your systems will help "separate the issues at the layer you're focused on from the fundamental system issues". i.e., just because what was under the hood is now even less visible, don't forget them. Many recent "cloud failures" have been in networking fault domains.
-- Cloud is not optimized for replacing static infrastructures.
-- Containers, service meshes and serverless jumpstart dev productivity but they also change the attack surface of apps and infra.
-- "Number of containers that are alive for 10 sec or less has doubled to 22%". 73% of all containers live for 30 minutes or less.
-- Adopt an "assume breach" stance for everything. Have a break-glass account.
-- Ensure you have a thorough understanding of where and how secrets are secured.
-- Grey failures (transient degradation of services) are often worse than complete crashes, since the latter have a short feedback loop.
-- Resilience engineering has existed as a sub-discipline within safety sciences. We just recently started applying its concepts in technology. Resilience can be thought of as a "socio-technical system" with Robustness ("system X has property Y that is robust in sense Z to perturbation W"); Reliability (consistent operations or service levels); Rebound (ability to deal with a chaotic situation using structures developed AND deployed BEFORE the chaos). In other words, robustness protects systems against a SPECIFIC type of failure mode. When a system is robust in many dimensions, it approaches good resilience to failure.
-- Resilience is something you "do", not something you "have". Resilience is a verb.
-- Moving from one class of nines to the next is 10 times more expensive.
-- Production System really means "system that someone else, anyone else, can hold you accountable for".
-- Most common theme across incidents is that something, somewhere was surprising.
-- Incidents are unplanned investments...your challenge is to maximize ROI.
-- We used to think of scale in two dimensions - horizontal (more) and vertical (bigger). In cloud, think of "scale out" (when demands increase) and "scale in" (when demand decreases).
-- Architecture diagram is also a map of failure modes.
-- Async communication is a friend of Cloud Reliability.
-- Test in production is a competitive advantage. The complexity of traffic patterns going through high-scale production systems is increasingly harder to reproduce in a controlled env.
-- Hundreds of open issues is fine, but if the repo has gone months (or, years!) without a release, THAT is a warning sign.
-- It is hard to write good tests for bad code.
-- Platforms come and go. But first principles and patterns will always exist, because they are the ones and zeros.
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Reviewed in the United States on November 6, 2023