Amazon.com: DC9 to 12V Wired Strobe Siren Red Light Sound Flash Buzzer Siren Home Security Alarm System Electric Security Siren 110dB@12V DC : Electronics
Compact 100 Decibel Siren & Strobe
Carevas Fire Alarm Warning Strobe Siren Horn Sound & Strobe Alert System for Home Office Hotel Restaurant - Walmart.com
Safety Technology International Rectangular Red Select-Alert Siren and LED Strobe Wired Alarm Kit with Mini Controllers STI-SA5600-R - The Home Depot