SECURITY THAT WORKS WITH YOUR PHILIPS HUE LIGHTS: Hue Secure sensors integrate seamlessly with your existing Philips Hue lights; When motion is detected, your lights can turn on automatically. STAY IN THE KNOW, WHEREVER YOU ARE: Get real-time motion notifications sent directly to your phone. Trigger alarms right from the Hue app. ONE APP, COMPLETE CONTROL: Control your Hue lights, cameras, sensors, and security notifications from a single app. The Hue app puts your entire smart home security system in the palm of your hand. 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 are triggered. 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. Get peace of mind both home or away with the Secure contact sensor! Place it on doors, windows, cabinets, safes, and more with the included adhesive backing — and a receive notification or even turn on the lights when the sensor is opened.