So, in case of smoke, you will get a notification: Smoke alert, Emergency, which will prompt you can take action, by listening to the 5 second recording of the beeping, calling 911 or clicking on the “false alarm” button. The app gives you the numbers of the local authorities to contact in case of an emergency what’s great about this, is the fact that it will direct you to the authorities close to the location of the device, not close to your current location, which I think it’s smart. The app won’t alert the authorities on its own, but it makes the reaction more quickly for you, by giving the necessary options. app, you can touch any colour as it has a wide range of colors – about 15000 tones to choose from and be aware that the LED light is a bit brighter for the eye during the night, so if you sleep facing the device, it might bother you you can adjust the brightness. It’s useful when you want to go to the bathroom or if you want to grab a snack during the night I don’t judge and it helps you see, so you won’t bump into something in the house. The light will turn on automatically when it’s dark, but it’s not as sensitive as I would like it to be, because, if you put it in the hallway, in a darker corner, the light will stay on all the time even during the day.