Amazon.com: Philips Hue Secure Smart Contact Sensor, Black - 2 Pack - Made for Indoor Doors and Windows - Requires Hue Bridge - Works with The Hue App : Everything Else
Philips Hue Motion Sensor White 570977 - Best Buy
Philips Hue Outdoor Sensor review: Trigger Hue lights and HomeKit gadgets with this $50 sensor - CNET
Philips 100-Degree White Screw-in Motion Sensor in the Motion & Light Sensor Adapters department at Lowes.com
Amazon.com: Philips Hue Secure Smart Contact Sensor, White - 2 Pack - Made for Indoor Doors and Windows - Requires Hue Bridge - Works with The Hue App : Everything Else
Philips Hue 570977 Motion Sensor Indoor Wall Mount no Drill, No Damage to Drywall/paint - Etsy
Best Buy: Philips Hue Motion Sensor 473389/464602
Philips Smart Motion Sensor for Philips Smart Wi-Fi WiZ Wireless Connected Light Bulbs 560771 - The Home Depot