SiGN Smart Smoke Alarm wifi With the SiGN Smart wifi smoke alarm you get all the benefits of a regular smoke alarm, plus notifications of fire or smoke even when you're not home! This smart smoke alarm notifies you of smoke or fire, directly on your mobile, wherever you are. Also available as a 3-pack . Real-time updates directly on your mobile phone 85db sound signal in the home Log of events in the Smartlife app With this optical wifi smoke detector, you and your family can feel safe inside and outside your home. If a fire starts while you are not home, you will receive real-time notifications on your phone, so you can immediately take the right action. Save lives and property with the right smoke alarm A smoke alarm is cheap insurance for you and everyone you care about. But having a smoke alarm go off when no one is home and can hear it doesn't help. With this smart smoke alarm, you can prevent accidents in your home by receiving notifications before the smoke or fire has reached too large a scale. Be careful about what you love. Full control over your smart home with the Smartlife app Download the Smartlife app and experience the freedom of a real smart home. Here you can control lighting, cameras, smart plugs , smoke alarms and much more with a simple touch of a button. Reduce power consumption, prevent burglaries and fires or feed the cat – all from your mobile, tablet or laptop. You can find the app here: Android : Smartlife for Android iOS : Smartlife for iOS Specifications: Brand: SiGN App : Smartlife Power : Powered by 2 AAA batteries (included) Type : Optical Alarm signal : 85db Light signal : 3m Wifi : 2.4GHz Dimensions : 128 x 42mm The package contains: Smart smoke alarm Screw set Quick Start Guide