Wireless Battery Powered Smoke Alarm, White

Kidde 0919-9999 Battery Operated Wireless Interconnectable Smoke Alarm, 85 DB At 10 FT Loud, 9 VDC Operating, 40 - 100 DEG F Operating, Environmental Conditions: Up To 85 PCT Relative Humidity (RH), Ionization Sensor, Dimensions: 5-3/4 IN Diameter X 1-1/4 IN Depth, LED Display, Mounting: Wall Or Ceiling, Sensitivity: 0.69 Plus/Minus 0.19 PCT/FT, Power Source: 3 AA Alkaline Battery, UL 217, NFPA 72, (Chapter 11 2002 Edition) The State Of California Fire Marshall, NFPA 101 (One And Two Family Dwellings) Federal Housing Authority (FHA), Housing And Urban Development (HUD)