Philips Hue: Motion sensor. Value for temperature and light level is always 0 and will not be updated. · Issue #3226 · dresden-elektronik/deconz-rest-plugin · GitHub
Philips Hue Outdoor Sensor review: Trigger Hue lights and HomeKit gadgets with this $50 sensor - CNET
How to use a LUX sensor to improve a "lights on at sunset" automation - Stacey on IoT | Internet of Things news and analysis
Philips Hue Dusk-to-Dawn Outdoor Motion Sensor, Wireless and Easy to Install, Works with Philips Hue Lights, Hue Bridge Required - - Amazon.com