A Certified Refurbished Video Doorbell 2 is refurbished, tested, and certified to look and work like newWorks with Alexa to illuminate and send announcements to Echo devices when your doorbell is pressed or motion is detected, allowing you to hear and speak to visitors with two-way talkLets you see, hear and speak to visitors from your phone, tablet and PCSends alerts as soon as motion is detected or when visitors press the DoorbellPowered by the rechargeable battery pack or connects to doorbell wires for a constant chargeMonitors your home in 1080HD video with infrared night visionLets you check-in on your property at anytime with Live View on-demand videoIncludes Lifetime Theft Protection: If your Doorbell gets stolen, we'll replace it for free