How Many CCTV Cameras Does Your Shop Need?
Start with entrances, the cash counter and the stock room — then fill the blind spots.
Choosing a UPS for Your Network
Add up the watts of the router, switch and NVR, then add 30%.
- 650 VA keeps a router alive for hours.
- Line-interactive protects against low voltage.
- Replace batteries every 2–3 years.
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