Woot has the Refurbished Blink 4th gen Smart Security 2-Camera Kit for $42.99 for a limited time. Shipping adds $6 but is Free for Amazon Prime Members.

The 4th Generation Blink Outdoor camera builds on the previous generations as one of the best security cameras because of how easy it is to set up and use. They are packed with features, affordable, and extremely easy to set up. They can be used indoor or outdoor and have an estimated 2-year battery life. It runs over your wireless connection and features 1080P resolution with a 143-degree field of view, enhanced motion deception, Person detection (requires Blink Subscription Plan), instant-on recording, temperature monitoring, customizable motion detection, 2-way audio, live-view recording, and integration of Amazon Alexa.

These units have been tested and verified by Amazon to be fully functional and include the same accessories and in box documentation as new device. May have small cosmetic imperfections associated with regular use and be repackaged and sold in a brown box. It comes with a 90-day warranty.