Kidde: 10Y29RB 10-Year Optical Smoke Alarm KID10Y29RB The Kidde 10Y29RB 10-Year Optical Smoke Alarm has a test/hush button for regular testing of the smoke alarm function, it also allows nuisance alarms to be temporarily silenced. Easy to install and can be used in most locations in the home, particularly in bedrooms and living areas. Sealed-in lithium battery that never needs replacing. Approved to EN 14604, and has a 10-year warranty (including the battery). MPN: KID10Y29RB EAN: 47871285327 10Y29RB 10-Year Optical Smoke Alarm KID10Y29RB Attributes: MFR Part No.: KID10Y29RB Type: Smoke