Products / Smart Home Alarm Systems / Smart Home Alarm Accessories / SR-BX-SARI / External Siren SR-BX-SARI / External Siren Loud 104gb external siren with LED lights powered with batteries.Compatible Alarm Kits:SR2100iSR3200iSR3800i BUY ONLINE Related products SR-SR / Internal Siren SR-PC/ PIR View Camera SR-PIR/PIR Motion Detector