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 Sounder ABS housing Dual piezo sounders Housing is tamper protected Variable volume control Finish Standards Downloads ECHO - Echo (.pdf, 54 kB) RF Echo (.pdf, 148 kB) Close ECHO FLASH RED or BLUE - Echo Flash Red or Blue DEC PCBR / DEC PCBB - Decoy Red Base or Blue Base Only BP-Strobe - BP Strobe