No confusion here-- this unit has a voice alarm that announces "fire! fire!" in addition to a loud, 85Db beeping when smoke or fire is detected. Sealed-in lithium battery lasts the entire ten-year lifespan of the alarm. It's quick and easy to install; alarm automatically activates when attached to the mounting bracket. Smoke alarm contains photoelectric sensor that may detect visible particles associated with smoldering Fires sooner than Ionization alarms. Includes a Test/hush button that tests alarm circuitry and temporarily silences nuisance alarms. Rapidly flashing LED lights alert users If alarm has sounded since the last time the Test/reset button was used. End of life warning alarm chirps every 30 seconds when unit is in need of replacement, but can be silenced three days at a time for 30 days to allow time for replacement.

• Is Discontinued By Manufacturer ‏ : ‎ No
• Product Dimensions ‏ : ‎ 1.6 x 5.2 x 1.6 inches; 1 Pounds
• Date First Available ‏ : ‎ October 2, 2014
• Manufacturer ‏ : ‎ Kidde