X10 is the latest generation of smoke detector with safety and user friendliness in focus. The smoke detector has a built in battery with a guaranteed life expectancy of 10 years, which means that the user does not have to think about changing the battery. 10 year warranty and various innovative functions like multiple mounting options, automatic start when mounting, hush function, built in dust and insect protection, self monitoring etc. makes the smoke alarm reliable and easy to use.