Woot offers Ring Video Doorbell Wired | Use Two-Way Talk, advanced motion detection, HD camera and real-time alerts to monitor your front door (wiring required) - Amazon Refurbished for $14.99 + free shipping with Prime.

Product Description:
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.Answer the door from anywhere with our smallest wired doorbell camera yet. Video Doorbell Wired includes all the essentials- HD video and Two-Way Talk, advanced motion detection, and real-time alerts sent straight to your phone, Alexa device, or Ring Chime so you’ll always know when someone stops by.

• 1080p HD wired video doorbell with two-way talk, advanced motion detection, standard 2.4 GHz connectivity and customizable privacy settings 
• Get real-time notifications sent straight to your phone. Note: the doorbell will not sound your existing chime. 
• Advanced motion detection helps you know when someone’s at your front door before they ring your doorbell 
• Night vision with sharp contrast ensures you’ll never miss a detail – even in the dark 
• Hardwire Video Doorbell Wired using your existing doorbell wiring and the included tool kit for around-the-clock power and peace of mind 
• Connect with Alexa to hear alerts on your compatible Echo device or see a Live View with an Echo device with screen. Talk to visitors by saying, “Alexa, talk to the front door.” 
• *This device must be paired with a Ring Chime (sold separately) to hear audio alerts in their home