Kidde 10Y29RB 10-Year Optical Smoke AlarmThe Kidde 10Y29RB is a 10-year optical smoke alarm designed for easy installation in most home locations, including bedrooms and living areas. It features a sealed-in lithium battery that never needs replacing.Features 10-year sealed-in lithium battery Test/hush button for testing and silencing nuisance alarms Approved to EN 14604Specifications Brand: Kidde MPN: 10Y29RB EAN: 0047871285327