I had problems with my 2 year old Night Owl system. The cameras started blinking. I read reviews and many suggested that replacing the power cord might be an easy fix rather than replacing the entire DVR. It worked!
Wasserstein Solar Panel 13 1Ft Compatible Camera & Photo and Video Surveillance
11 Review
WiFi Hidden Spy Camera with Live Feed & Video Recording - Remote Access Mini Nanny Cam | Spy Camera Wireless Hidden for Home Surveillance
11 Review
π· D-Link Outdoor Security Spotlight WiFi Camera with Day and Night Vision, Built-In Smart Home Hub, Full HD Surveillance Network System (DCS-8630LH-US) in White
12 Review
WOSODA Trail Camera: Waterproof 16MP 1080P Hunting Game Camera with Night Vision for Home Security & Wildlife Monitoring
11 Review