Thorn Fire Alarm Conventional Conventional fire alarm panel, country of origin UK, up to 2 zones and 21 sensors per zone. Purchase now conventional fire alarm panel THORN 408-2 online through DCSMISR services and enjoy best prices in Egypt. TH408Brand: THORN Product Code: TH 408-2 Download Datasheet 701P - SmokeProduct Code: 516.900.001-TH Download Datasheet 701H - HeatProduct Code: 516.600.003-TH Download Datasheet