Longer warranties give you more time to replace the unit if it stops working due to a manufacturing defect. The longest warranty we saw, found on both the Nest Cam and the Belkin NetCam HD+, is two years. More Home Security Guides:The Best Home Security SystemsThe Best DIY Home Security SystemsThe Best Whole Home Surveillance SystemsRelated Product ReviewsNest CamFlir FX FXV101 HD Link DCS 2630LSamsung SmartCam HD Pro SNH P6410BNNetgear Arlo Q VMC3040Belkin NetCam HD+ F7D7606OcoSecurity Camera System ReviewsProtecting your home is becoming more important and with a security camera you can monitor inside and outside your residence 24 hours a day giving you both confidence and peace of mind that your home is protected. Be confident when you are away from home. These systems also provide protection while you are home, allowing you to monitor and keep yourself and your belongings safe and secure. The following security camera systems provide the best protection available on the market. Jump toMost PopularBest OverallBest BudgetBuying Guide View on Amazon See also onAmazon. co. caMost Popular Security Camera SystemQSee5/5 Product RatingThe Q See QT5680 8E4 1 8 Channel Full D1 Security Surveillance System with 8 High Resolution 700 TVL Cameras and 1 TB Hard Drive Gray/Black will keep your residence censored day and night to keep an eye on your belongings inside and/or outside. This security camera includes 8 High resolution weatherproof cameras with 700 TV lines of resolution allowing you to observe everything that is happening in your home with a clear resolution picture. Each camera provides up to 100 feet of night vision and comes with a pre installed 1 TB hard drive.