4.0-Megapixel Analog HD Add-on Security and 16 similar items

Q-see QCA8081B 4MP HD-CVI Bullet Security Camera with PIR ? Compatible with Dahua, Amcrest More Upgrade your surveillance system with this Q-see QCA8081B 4.0MP Analog HD security bullet camera, featuring built-in PIR (passive infrared) technology. Originally designed for Q-see DVRs, this camera uses HD-CVI technology and can be used on a wide range of third-party DVRs that support 4MP CVI input. Key Features 4.0MP HD-CVI: Crisp, high-definition video over standard coaxial cable. PIR Motion Sensor: Built-in passive infrared sensor can detect movement using heat signatures. Night Vision Day/Night Surveillance: Designed for both daytime clarity and nighttime security. Weather-Resistant Bullet Housing: Durable outdoor construction to withstand various weather conditions. Coaxial OSD Control (Select DVRs): Some DVRs can adjust camera settings via the coaxial cable. Compatible DVR Brands (Except Q-see) This camera is HD-CVI?based and typically works with the following DVRs (among others), provided the model supports 4MP CVI: Dahua XVR Series The original HD-CVI developer. Any Dahua XVR supporting 4MP+ CVI should accept this camera. Amcrest HD-CVI DVRs Amcrest DVRs labeled for HD-CVI compatibility (4MP or higher) often work seamlessly. Night Owl (Hybrid Models) Select Night Owl DVRs that explicitly support HD-CVI at 4MP or 5MP. Lorex (Certain MPX or Hybrid Models) Must specifically list HD-CVI support up to 4MP. Other Multi-Format DVRs Brands like Annke, Sannce, or Swann sometimes offer ?4-in-1? DVRs (AHD/TVI/CVI/CVBS). Check that your model supports 4MP CVI. Important: Advanced features like PIR-triggered recordings may not be fully supported on every third-party DVR. At minimum, the camera?s standard video feed and basic motion detection should function when the channel is set to 4MP CVI mode. Why Choose the Q-see QCA8081B? High-Definition Clarity: Enjoy 4MP (25601440) resolution for a sharper, more detailed image. Easy Analog Upgrade: Keep existing coaxial cabling and simply replace older low-res cameras with this HD-CVI model. Enhanced Motion Detection: The built-in PIR sensor can help reduce false alerts if paired with a compatible DVR. Sturdy Reliable: Engineered for year-round surveillance in both indoor and outdoor conditions. Installation Setup Tips Confirm DVR Format: Ensure your DVR specifically supports HD-CVI at 4MP or higher. Check Channel Settings: Some DVRs have auto-detect; others need manual configuration to CVI mode. Adjust Frame Rate: If the camera is outputting 15fps or 30fps, your DVR?s channel settings should match for best results. Motion Alerts: If PIR motion isn?t recognized, standard video-based motion detection from the DVR can be used. Condition Warranty Condition: Please see listing details for exact item condition (new/used/open box). The buyer is responsible for verifying compatibility with their DVR model. Enhance your security setup with this robust 4MP Q-see QCA8081B HD-CVI Bullet Camera. Its versatile HD-CVI output allows you to pair it with many third-party DVRs (Dahua, Amcrest, and more), giving you flexibility in system design and upgrades?all with the added benefit of a PIR motion sensor for more accurate motion detection. Have questions about compatibility or setup? Feel free to message us before purchasing to ensure a smooth installation experience!