Cameras, video doorbells, and smart locks from Ring, Arlo, eufy, Nest, and Blink, ranked by type with prices verified live for launch day. The post Amazon’s Prime Day sale is a perfect opportunity to start—or expand—your smart home security system appeared first on Popular Science .
Source: [Popular Science](https://www.popsci.com/gear/amazons-prime-day-sale-is-a-perfect-opportunity-to-start-or-expand-your-smart-home-security-system/)