The Ebode eSD18 is a wireless smoke and fire detector. You will be warned by the smoke detector when smoke is in the area of the eSD18. This greatly increases the change of avoiding smoke and fire damage. The smoke detector has an optical sensor for quick response and is powered by a 9 Volt battery (not included).
The eSD18 is easy to install. He also has a test button for function check. Place on each floor an eSD18 to maximize your home security. If there is any smoke detected there will be an alarm of 85DB.