I have Hikvision DS-7604NI-K1 NVR with 4 channels and 4 IP cameras (Exir economy level cameras), as well as Dahua KTP02 Video Intercom Kit.
The NVR has no RS-485 module, only motion detection methods give audible internal tone in the NVR.
I am thinking of having:
1. Door Contact Sensor
2. Outdoor Siren
3. Gas Detector
4. Smoke Detector
Instead of buying PIR motion sensor and utilize camera's motion detection "unfortunately no VCA options", can I get external IO relay module for the NVR? Or can I use Dahua's VTH as an external relay for the NVR using its IP address?
The NVR has no RS-485 module, only motion detection methods give audible internal tone in the NVR.
I am thinking of having:
1. Door Contact Sensor
2. Outdoor Siren
3. Gas Detector
4. Smoke Detector
Instead of buying PIR motion sensor and utilize camera's motion detection "unfortunately no VCA options", can I get external IO relay module for the NVR? Or can I use Dahua's VTH as an external relay for the NVR using its IP address?
It was too expensive