ECHO - Echo Application Internal sounder with built in flash suitable for use with HKC control panels including the SW 1070, SW 20140, and all wired panels; Specification Internal SounderABS housingDual piezo soundersHousing is tamper protectedVariable volume control Finish Standards Downloads ECHO - Echo (.pdf, 61 kB) RF Echo (.pdf, 148 kB) Close ECHO FLASH RED or BLUE - Echo Flash Red or BlueInternal sounder with built in flash suitable for use wit… DEC PCBR / DEC PCBB - Decoy Red Base or Blue Base OnlyThe Decoy Base is available with Blue or Red strobe lens.… BP-Strobe - BP StrobeFlasher unit that fits into decoy external sirens.