As an Amazon Associate, we earn from qualifying purchases. Home » Kidde Firex » KF20R Kidde 230V Mains Optical Smoke Alarm with Rechargeable Battery (KF20R) | CEF Kidde Firex . KF20R Gallery Attributes Brand name, Manufacturer name, Manufacturer, BrandKidde Firex DimensionUnitmm Extra Product NameKidde 230V Mains Optical Smoke Alarm with Rechargeable Battery (KF20R) | CEF Weight0.29 WeightUnitkg diameter, height, length, width127.0 height_Attrib, length_Attrib, width_AttribDiameter moq, multiple, Number of Batteries1 MPNKF20R originalCurrency{'currency': 'GBP'} qtyInStock9 SKU0999-1000 All images and text, © Copyright City Electrical Factors LtdAll images and text, © Copyright City Electrical Factors Ltd Battery Back Up, Hush Facility, Interconnectable, Test FacilityYes Battery SizeSealed In Battery TypeLithium ColourWhite Decibel Rating85 dB[A] @ 3 m Diameter127mm Dimensions(Dia)127 mm Guarantee6 Years MountingCeiling / Wall Packaging TypesEach Previously Known As4985 ShapeRound StandardsBS EN 14604 TypeOptical Unspsc V1846191501 Voltage Rating230V Distributor offers SellerSKUMOQIn stockMultiplePrices cef.co.uk0999-1000191