The Motorola Smart Nursery Alert Sensor Twin Pack will revolutionise the safety and security of your children within your home. You can keep a watchful eye and know exactly what your little ones are up to within the home, at any time. This innovative Alert Sensor will notify you when your doors and windows have been opened in order to provide you with complete peace of mind. This will give you the exact confidence you need, knowing exactly what is going on in the nursery or elsewhere in your home. This is also ideal if you have older children; you can attach this to your front door so that you will be notified when they leave the house or arrive back; providing you with notifications confirming you of your child\'s safety and whereabouts. The Motorola Smart Nursery Alert Sensor Twin Pack will notify you when your door opens, when it closes and how long it was open for, keeping you in the know. This battery powered unit is compatible for windows, doors and more within your home. Controlled by the Motorola Hubble App, you can connect this to your smartphone or tablet, via The App Store or Google Play. Notifications will send through to your unit of choice and inform you of key events that happen in your home. The Alert Sensor is useful from when your child is just finding their feet, to when they are gaining their own independence, giving you the exact confidence you need. With the download of the Hubble Connect for Smart Nursery app you can add a range of other baby essentials, having the ultimate baby system, accessible on your phone or tablet.