Q
What is a Dahua 4K PTZ camera?
A
A Dahua 4K PTZ camera is a high-resolution surveillance device that combines 4K UHD imaging with motorized pan, tilt and zoom controls for comprehensive area coverage and precise monitoring.
Q
What are the key features of Dahua 4K PTZ cameras?
A
Key features include 4K UHD resolution, 25× optical zoom, H.265+ compression, Starlight low-light performance, IP66 weatherproof housing and intelligent video analytics.
Q
How does PTZ functionality enhance surveillance?
A
PTZ functionality allows remote operators to pan 360°, tilt vertically and zoom in on distant subjects, delivering flexible coverage, detailed close-ups and active tracking of moving targets.
Q
What optical zoom range do Dahua 4K PTZ cameras offer?
A
Most Dahua 4K PTZ models feature up to 25× optical zoom, enabling clear identification of subjects at long distances without sacrificing image quality.
Q
How do Dahua 4K PTZ cameras perform in low-light conditions?
A
Equipped with Starlight technology and advanced noise reduction, Dahua 4K PTZ cameras deliver color images in very low light (down to 0.005 lux) and clear monochrome night vision with IR illumination.
Q
Which video compression standards are supported?
A
Dahua 4K PTZ cameras support H.265, H.265+ and H.264 compression, reducing bandwidth and storage requirements while maintaining high image fidelity.
Q
Are Dahua 4K PTZ cameras weatherproof?
A
Yes, they are rated IP66 for dust and water resistance and operate in temperatures from –40 °C to 65 °C, making them suitable for harsh outdoor environments.
Q
How many presets and patrol patterns can I configure?
A
You can set up to 300 presets, 8 patrols and 4 pattern scans per camera, enabling fully automated tours and rapid repositioning to critical viewpoints.
Q
Do Dahua 4K PTZ cameras support night vision?
A
Yes, they feature built-in IR LEDs with a range up to 200 m and Smart IR technology for balanced illumination and clear night-time imaging.
Q
Are Dahua 4K PTZ cameras compatible with third-party NVRs and VMS?
A
Yes. They are ONVIF-compliant and support RTSP, HTTP and SDK integration, ensuring seamless interoperability with most network video recorders and video management systems.
Q
What network and power options are available?
A
Dahua 4K PTZ cameras support PoE+ (802.3at) and 24 VAC/12 VDC power, along with TCP/IP, DHCP, NTP and HTTPS for secure, flexible network deployment.
Q
How do I install and configure a Dahua 4K PTZ camera?
A
Mount the camera on a stable surface, connect network and power, then use Dahua’s web client or SmartPSS software to perform IP address setup, PTZ calibration and analytic rule configuration.
Q
What intelligent analytics are available?
A
Built-in IVS functions include tripwire, intrusion detection, face detection, perimeter protection and auto-tracking, enabling proactive alerts and forensic search capabilities.
Q
Can I integrate Dahua 4K PTZ cameras with access control or alarm systems?
A
Yes. They offer relay I/O ports and API support, allowing integration with third-party access control panels, alarm systems and building management platforms.
Q
How do I access live view remotely?
A
Use Dahua’s DMSS mobile app or SmartPSS client to securely stream live and recorded video, control PTZ movements and receive push notifications from anywhere with internet access.
Q
What warranty and technical support are provided?
A
Dahua 4K PTZ cameras typically include a two-year manufacturer’s warranty and access to global technical support, firmware updates and online knowledgebase resources.