WHAT’S IN THE BOX - Includes two, white Hue Secure smart contact sensors REQUIRES A HUE BRIDGE - To use this product, you must have a Bridge. It also enables the full suite of smart home security features: light alarms, the mimic presence automation, and the ability to expand your home security—or smart lighting—setup. PLACEMENT - Using the adhesive backing (included), place the sensors on doors, windows, cabinets, safes, and more. SUPREME PEACE OF MIND - When armed, the contact sensors send a real-time alert to your mobile device—and can even turn on lights—as soon as they’re triggered. You can also see what time they triggered and if someone has tampered with them. AUTOMATE YOUR LIGHTS - The contact sensors are perfect for frequently used areas. Have the hallway light turn on when the front door opens, for example. › See more product details