Style Name:Window or Door Sensor The clever Wireless sensors send an alert to your smartphone if your Window or door has been opened or closed. You can turn the notifications off when you know you’ll be at home. Easy to install, use the self-adhesive tabs and attach the larger Wireless sensor to your Window or door and the smaller sensor to the frame. Just pair with the hive Hub and add your sensor on the hive App. App features: check status – open or closed, turn on/off notifications for when the door/Window, opens or closes, schedule up to 6 notification timeslots a day, choose how to receive notifications (email, push or both), see a 7 day History of events, hive recipes allow you to set triggers and actions, for any hive sensors, hive active plugs or hive active lights that you have helping to make your home work for you what you’ll need the hive Hub for the hive App you’ll need an Apple I phone or I pad (iOS 7 or later) or a device running Android (min 4.0.3) laptop or tablet with internet access and an up-to-date web browser (we recommend minimum: internet explorer 10 or the latest versions of Google chrome, Firefox and safari) hive is a British gas innovation, but you don't need to be a British gas customer to buy the hive products