A simple Hikvision detector to know the details of camera exists on your lan.
Just run
kali@kali~$ python main.pyOutput :
Searching for Hikvision devices...
Found device:
IP: 192.168.1.200
Model: DS-7204*****
Serial: DS-7204**********38159WCVU
Firmware: V4.30.301build 210423
DSP: V5.0, build 210412
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If you want to know more details, uncommit L25 to print more data