Sounders & Decoys - Wired BP-Strobe - BP StrobeFlasher unit that fits into decoy external sirens. ECHO - EchoInternal sounder with built in flash suitable for use wit… 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.… SABB MK111 Base Red or Blue - SAB-PCBPR / SAB-PCBPPBExternal sounder suitable for use with all HKC control pa…