The Hive Sensor starter pack includes a Hive Motion Sensor, a Hive Window or Door Sensor and the Hive Hub that connects all your Hive devices. With the Hive Sensor Pack you can receive alerts to your smartphone if your window or door has been opened or closed or if there’s been motion in your home.The wireless Hive Motion Sensor uses infrared technology to detect motion in your home. You can choose to receive alerts to your smartphone and turn them off when you know you’ll be at home. Easy to install, just place on a surface or use the self-adhesive tape to attach to the corner of the wall. The wireless Hive Window or Door sensors alert you if your window or door has been opened or closed when you’re away from home. You can turn the notifications off when you know you’ll be at home. Easy to install, use the self adhesive pad and attach the larger wireless sensor to your window or door and the smaller sensor to the frame. The Hive Hub connects all your Hive devices. Simply plug the Hub into your broadband router and pair with each device so you can start controlling your sensors.