The SOS-MIC is a replacement microphone for any current or previous SOS unit. Works with SOS-YDT, SOS II, SOS VIII, SOS IX, SOS 12, SOS-GateTrigger and SOS-Silent.
This is an aluminum reflective sign that is 4X5 in size.
This is an aluminum reflective sign that is 8x10 in size.
This is a 1.5x5 inch sticker.
This is a CD with the 'Yelp' siren tone so that you can test you SOS unit to ensure it is working correctly.