You can save on a big set of outdoor security cameras ahead of Prime Day. Amazon has a five-pack of Blink cameras with a video doorbell included that’s marked down to $166.99. The bundle includes a Blink Battery Doorbell 2K+, five Blink Outdoor 2K+ cameras, and a Blink Sync Module Core. The doorbell is typically $70, and each camera generally retails between $80 and $100, so you’re saving at least $200 by grabbing them all in the set. Blink Video Doorbell and Five Camera Bundle Where to Buy: