|New York Security Camera News!|
What type of system you currently use?
Click for larger images (full D1 size) to compare:
1. 600-700TVL high-end cameras and high-end DVR or videoserver, no need to upgrade.
2. 480-540TVL top quality cameras and good DVR or videoserver, upgrade has no significant effect, but costs a lot.
3. 400-440TVL cameras and DVR at least 3-5 years in use, upgrade to 540TVL top quality cameras and DVR is highly recommended.
4. 330-380TVL cameras and DVR older than 5 years, upgrade to recent 420TVL or 540TVL is higly recommended and must.