CCTV REPAIRS & UPGRADES
We repair, upgrede, and modernize existing camera systems for
businesses across Nassau, Suffolk, and NYC.
- (631) 421-2288
If you already have a CCTV system but it’s no longer meeting your needs, CSI Security specializes in repairing and upgrading existing camera systems. Whether yiour cameras have stopped recording, your DVR/NVR is falling, or you simply want smartphone access and better video quality, we can bring your system back to life.
COMMON ISSUES WE FIX
- Cameras not recording or showing black screens
- DVR/NVR not working or full of errors
- System cannot be viewed on a smartphone
- Outdated analog video quality
- POS transaction overlay missing
- Cabling issues or damaged connectars
WHY CHOOSE CSI SECURITY?
- 20+ years of CCTV installation and service experience
- Trusted by Dunkin’, Mobile, Sunoco, Verizon, and local retallers
- Licensed New York State security Installer
- Free 2-hour service call (labor only) – pay only for parts if needed
- (631) 421-2288
OUR CCTV UPGRADE SERVICES
POS Transaction Overlay
HD & IP Camera Upgrades
DVR/NVR Replacement
Customer Testimonials
"CSI installed a 16-camera system for our restaurant. We can check live feeds from our phones anytime. Great service and support!"
– Restaurant Owner, Queens
"After upgrading our cameras with CSI, theft in our retail store dropped by 60%. Highly recommended."
– Retail Store Manager, Long Island
Industries We Serve
Our CCTV systems are trusted across many industries:
- Gas Stations & Convenience Stores
- Restaurants &Quick Service Franchises
- Pharmacies & Retail Shops
- Grocery Stores & Supermarkets
- Warehouses & Distribution Centers
Protect your business with trusted CCTV installation and service in Long Island & NYC.
Call us now at 631-421-2288
