Best Buy: Philips Hue Motion Sensor White 473389/464602
Philips Hue lights are getting brightness balancing and better motion sensor automations | Engadget
Sleep Aid Red LED Motion Sensor Night Light Plug in for Bedroom with Dusk to Dawn Motion Activated Auto Sensor, Promotes melatonin Production and Healthy Sleep, ON-Off-Auto Toggle, 2-Pack - Amazon.com
Philips Hue Motion Sensor Light Information [Tips & Tricks]
Philips Hue Indoor Motion Sensor for Smart Lights (Requires Hue Hub, Installation-Free, Smart Home, New Version) - Amazon.com