Bestbuy offers Philips Hue Battery Wireless Security Camera 2PK - White for $239.99 (orig. $449.99) with free shipping.

Product Description:
Let Philips Hue keep an eye on your home for you! Get a crisp, clear 1080p HD live stream, turn on the lights or send an alert to your mobile device when motion is detected, or even trigger a sound alarm with a tap in the Hue app. This wireless home security camera is easy to mount and install in any home. 

• Let Philips Hue Keep An Eye on Your Home
  Crisp 1080p HD live stream, turn on lights or send an alert to your mobile device when motion or sound is detected, and more
• Real-time Monitoring
  Get notifications any time your Secure camera detects motion; create Activity or Package zones to get alerts depending on what triggers the motion (person, animal, vehicle, or package)
• Make it Seem Like You're Home When You're Not
  Use your Secure camera with the Mimic presence automation and the two-way talk function to add an extra layer of security to your home—and get extra peace of mind in the process
• Control with the Hue App
  Arm and disarm from the Home tab, trigger alarms, get an overview of all activity, and receive push notifications when your cameras detect something suspicious
• Get it All with the Philips Hue Bridge
  Get the full suite of smart home security features: light and sound alarms, the mimic presence automation, and the ability to expand your home security—or smart lighting—setup
• Your Privacy is Priority
  Privacy and data security with end-to-end encryption; All video and audio recorded with your Secure camera can only be seen by you and authorized users
• What's in the Box
  Includes one, white Hue Secure battery-powered smart security camera; This wireless home security camera has a rechargeable battery and is easy to mount and install in any home