How does Wireless camera get power?

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Tags

1. #transmit
2. #because
3. #system
4. #constantly
5. #power
6. #mains
7. #sources
8. #wireless
9. #powered
10. #these
11. #models
12. #security
13. #needs
14. #still
15. #wirelessly
16. #cameras
17. #wired