Elmdene Internal Sounder for Intruder Systems. Grade 3, Single speaker 120db@ 1m, 15min cut-off timer, Polyc Elmdene Internal Sounder for Intruder Systems. Grade 3, Single speaker 120db@ 1m, 15min cut-off timer, Polyc MPN INT400 Item no. W126731047 EAN/UPC 5056599036406 Add to favourites Stock level See your price See product specifications Specifications for INT400 Vendor information Brand Name Elmdene *The product data above is provided by Icecat. Oprema cannot be held responsible for errors in relation to this.