Woot offers Refurbished Ring Stick Up Cam Battery or Plug In HD Security Camera Works with Alexa, 3rd Generation (2019 release) for $39.99. Free shipping for Prime Members.

Product Description:
Ring Stick Up Cam Battery HD Security Camera Works with Alexa

• See, hear and speak to people from your phone, tablet or select Echo device with Stick Up Cam Battery, a battery-powered camera that can be mounted indoor or out.  Includes privacy features, such as customizable privacy zones and audio privacy, to focus only on what's relevant to you.
• With Live View, you can check in on your home any time through the Ring app.
• With a Ring Protect Plan (subscription sold separately), record all your videos, review what you missed for up to 60 days, and share videos and photos.
• Place on a flat surface or mount to a wall with the versatile mounting bracket. Add-on the Mount for Stick Up Cam (sold separately) for ceiling mount.
• Watch over your entire home by connecting one or multiple Stick Up Cams to all your Ring devices in the Ring app.
• Easily setup Stick Up Cam Battery by inserting the battery pack and connecting to Wi-Fi.
• For added peace of mind, pair with Alexa to help you keep an eye on your home.

We want you to know: 
Save and share video and photos with an optional Ring Protect Plan (subscription sold separately).
Battery: Smart security anywhere you need it - Add security to your home – inside or out - with the versatile Stick Up Cam Battery, an HD security camera with motion-activated notifications and two-way talk. Its wire-free design means you can place it virtually anywhere and never worry about being close to an outlet.

• 1080p HD Video and Two-Way Talk
• Real-Time Notifications
• Quick-Release Battery Pack (Battery)
• Works with Alexa

Cover every corner.  Inside or out.

• Enjoy the flexibility of countless placement options with a versatile cam that goes anywhere indoors or out. 
• You can place it on a flat surface like an entry table inside your home or mount it to a wall in the backyard.