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Description
DP41 Bulb-type Dual-lens Motion Tracking Smart Camera Supports Voice Intercom, DP41 (White), DP41 (Black)Features: 1. 1080P resolution 2 million + 2 million high definition pixels 2. 90 degrees up and down, 355 degrees left and right rotation (360 degrees screen field of view) 3. Dual screen ultra clear images are output at the same time, with a wider monitoring angle and higher image quality. 4. Support gun ball linkage function, global monitoring of the gun, rapid positioning and tracking of the ball camera, taking into account both panorama and
Features:1. 1080P resolution 2 million + 2 million high-definition pixels
2. 90 degrees up and down, 355 degrees left and right rotation (360 degrees screen field of view)
3. Dual-screen ultra-clear images are output at the same time, with a wider monitoring angle and higher image quality.
4. Support gun-ball linkage function, global monitoring of the gun, rapid positioning and tracking of the ball camera, taking into account both panorama and details. By dragging the camera gun to any position on the client screen, the dome camera can automatically adjust through the PTZ to place the area in the center of the screen to quickly view the area of interest.
5. Supports two-channel ultra-clear playback, high-definition playback, and supports dual-channel video storage on the video cloud and TF card. TF card supports 128G.
6. Support humanoid algorithm, compatible with humanoid detection, intelligent tracking, and motion detection.
7. Supports push of alarm information to mobile phone to achieve quick response. Manual APP tracking is also available, so no details are missed.
8. Supports voice intercom, two-way noise reduction, and clearer intercom.
9. Support remote monitoring, allowing you to monitor anytime and anywhere, and support remote preview for multiple users.
10. Support full-color night vision, intelligent night vision, and remote switching of video.
11. Two video storage methods 1-Memory card storage (supports 128GB Max), one-time purchase and lifetime free playback. 2-Cloud storage, cloud backup, videos will never be lost.
Parameter:
1. Main control chip processor: Ankai KM01D
2. Image sensor: 1/4.6-inch Progressive Scan CMOS
3. Operating system: embedded LINUX operating system
4. Video compression standard: H.265
5. Monitor image quality: 1920x1080x2/640x360x2
6. Video quality: 1920x1080x2/640x360x2
7. Image motion detection: support
8. Minimum illumination: 0.1Lux/F1.2 (color); 0.01Lux/F1.2 (black and white)
9. Capture function: supported
10. Video flip: support
11. Audio compression standard: G.711a
12. Microphone: Support
13. Speaker: Support
14. Video file size: 2.5-4.5GB/day (16GB TF card can record for about 5 days)
15. Recording methods: manual recording, dynamic detection recording, scheduled recording, alarm recording
16. Video storage: TF card\cloud
17. Remote playback: supported
18. Alarm trigger: video push, speaker alarm, alarm recording
19. Wireless network: 802.11b/g/n
20. Code stream: dual code stream
21. Network protocol: supports TCP/IP, UDP, ONVIF, etc.
22. Transmission mode: intelligent P2P, streaming media forwarding
23. WiFi networking: Scan the device code to add, WiFi (single frequency or dual frequency), 4G (optional) AP hotspot
24. TF card: supports 128GB TF card Max
25. WIFI: support
26. Power supply: E27 110-240v
27. Applicable places: homes, shops, schools, supermarkets, factories and other places; flat laying, wall mounting, hoisting
28. Working temperature: -20~55 degrees Celsius
29. Working humidity: 10%-90%
30. Lens: 4MM+4MM
31. Lens angle: 90 degrees
32. Rotation angle:
Horizontal: 355 degrees
Vertical: 90 degrees
33. Light board: 4 infrared lights + 4 white light lights
Specification:
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4.4 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
A Worthy Touchstone for Anyone Who Wants to Master Unity
Format: Paperback
Harrison Ferrone’s Learning C# by Developing Games with Unity 6 is one of the strongest beginner-to-intermediate Unity guides I’ve read: carefully structured, patient in its explanations, and quietly packed with insight about how Unity 6 and C# truly work together. I read the physical edition while sitting in front of a blank Unity project, and the experience felt like having a seasoned sailor point out the currents of a river I’ve been navigating for years. You see the familiar terrain differently.
The book’s early decision to spend real time on C# fundamentals is a welcome choice. Most Unity books skip past the language; Harrison slows down, defines concepts, and gives you enough clarity that when you finally enter Unity, you understand why things behave the way they do. Those chapters are dense in the best way: they prep beginners to stand on solid ground and give experienced users a clean, refreshed mental model of the language under the engine.
Ferrone’s real strength is his voice. He strikes a balance I rarely see in technical writing: conversational introductions that explain what you’re about to learn and why it matters, followed by crisp, accessible technical walkthroughs. The pacing (explanation → example → implementation) is excellent. And the inclusion of ready-to-use assets removes one of the biggest barriers for new developers who want to understand systems without getting lost creating placeholder art.
The book doesn’t talk down to anyone. It makes Unity feel more accessible without flattening its complexity. Beginners will come away with genuine competence; advanced users will appreciate the clear framing of new Unity 6 tools and the subtle recognition of how AI-assisted coding is shaping modern workflows. It’s a guide you can read once for understanding, then keep at your desk as a reference.
If you’re a serious hobbyist, a technically inclined beginner, or someone who’s ready to work through your first real project, this is the Unity book I’d hand you first. It bridges concept and execution with clarity and confidence, and it does so with a tone that feels patient, practical, and quietly encouraging. In a space crowded with copy-paste tutorials, Harrison Ferrone has written a Unity 6 guide with real staying power.
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Reviewed in the United States on December 16, 2025
★★★★★ 4
Pretty good beginner book, very user friendly covers Development and Design
Format: Paperback, Format: Paperback
I enjoy learning Game Dev, but I research books because many authors promise a lot and deliver half or not at all and I have to put the book down. This book was pretty good. I appreciate the author explaining things, and remember he's writing a book for beginners. There's also a good amount of pics in the book, and I dislike a book with no pics. Also, he breaks it down very simply and explains that you're not going to learn the entire Unity ecosystem, but rather a beginner-level understanding to get a person started. I enjoyed this book and will definitely go over particular info again. They have a Discord group and a newsletter with tips and it also goes over Game Design. I was surprised to see this, and maybe it's new to me, and I like the analogy of explaining complex terms. A con of the book is that as it progresses, it starts to come off as advanced in scripting, and I turned to AI for additional explanations. Still, the author did explain in advance that it's about to get more advanced, but that's me going deeper into the meaning and explanations. Other than that, it's a good read that you will go to more than once and has practical info to help you on your Unity journey.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
This is a game changer in Unity!
Format: Paperback
The amazing part about this book is how it begins. It tells you which Unity, VS (Visual Studios), and which C# versions you should use for best results. This in my thoughts are the most important part when programming, know which ones to use to make your experience the best it can be.
There are exclusives in this as well. This book has some major pics to show those who are visual learners and that is a great asset as most people need to see it and use it in order to understand what they are doing. Books sometimes leaves this important thing and some get lost in the reading and put those types of books down and never pick them up again.
I read through this book and found things that intrigue me and make me want to literally just get into it until I'm done reading and using the pics to guide me through.
This book also works with MacOS as well. I'm not much into that operating system but I know many who prefer that and that is awesome that this teaches this way as well.
This even has pop quizzes for you to do to enhance the effects of learning and I am sure this would be a book that would be used in schools if it were offered as a preferred reading/teaching structuring the class for success.
I have said it before in my reviews that this is again another great book to add to your collection. Each book of this type is something that should be purchased or gifted to someone to make their lives easier when it comes to programming and the way this book does it's teaching style it makes programming that much easier and more fun.
So many things in this book I don't have enough room or a way of putting it into words. Best tog eab this book and enjoy every part of it and I promise it won't be a waste of money.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Great for getting into Unity and mastering it
Format: Paperback
Sometimes I mentor students who are just getting started in Unity. This is a great resource I can use to help them along.
The book has a great start by covering topics like what is a variable, how to call a function, classes, and OOP. There is even some tricks on how to debug your code which a lot of people struggle with. For statements this books covers all of them, if, else, for, switches, etc. Other books don't explain OOP well enough but with book goes over it very well and explains what the difference between a value and reference type is. Towards the end there are a bunch of project examples like making a player, shooting projectiles, and creating a user interface. This book is very up to date and uses Unity 6.
If you just started learning Unity then this is a must have book.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Code at your own pace to develop great games
Format: Paperback
Creating games isn’t intimidating thanks to this gem of a book. Easy to read and follow, the knowledgeable author makes learning C# fun and helps readers gain confidence, proving even a novice has what it takes to make a game. In addition, the author provides pop quizzes to ensure readers can measure their new-found knowledge before moving onto a new chapter. This hands-on approach is helpful and prevents readers from missing key components. Since my coursework never addressed connecting to the server and pulling data, I found chapter 13 to be of great interest and help. It was interesting to learn what happens behind the scenes and gave me valuable tools to explore, demonstrating this book is advantageous for both novices and professionals. There’s always something new to learn.
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Reviewed in the United States on November 15, 2025
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