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 Outdoor Motion Sensor - Automatic Dusk to Dawn - Turns Lights On When Motion is Detected - 1 Pack - Requires Bridge - Works with Alexa, Google Assistant, and Apple Homekit - Weatherproof - Amazon.com
Hue Smart Window and Door Contact Sensor | Philips Hue US