Protect what you love most.

Monitor your home, apartment or vacation home with a single sensor, wherever you are.

Peace of Mind

You have enough to worry about. With Notion, your home can speak up when it needs a little extra attention, even when you aren't there.


Know when your entrance door, the garage, a liquor cabinet or a gun safe is opened.

Water Leaks

Be alerted the moment a water leak happens so you can avoid costly damages.


Know when a smoke or carbon monoxide alarm sounds if you aren't home to hear it.


Be alerted when the temperature of a room gets too hot or too cold.


Keep an eye on home security or save energy by knowing when your windows are open.

See all the amazing uses for Notion.

  • “Notion is changing the way we interact with our homes.”

  • “Out of all the smart home gadgets on the market, Notion is one of the simplest - and that's a good thing.”

  • “Why limit yourself to your doors and windows, Notion's wide array of sensors mean you can use it to monitor anything.”

Give Your Home a Voice

Receive important information only when you want it.

Easy to Install

Just peel and stick! You'll be up and running in 15 minutes or less.

Notion Works With Nest

Connect a Nest thermostat to your Notion system for complete home comfort.

Nest®, Nest Learning Thermostat™, and the Works with Nest logos are trademarks licensed by Nest Labs, Inc.