Products / Smart Home Alarm Systems / Smart Home Alarm Accessories / SR-SD / Smoke Detector SR-SD / Smoke Detector Activates the alarm when smoke is detected.Compatible Alarm Kits:SR2100iSR3200iSR3800i BUY ONLINE Related products SR-BX-SARI / External Siren SR-KP / Keypad SR-PETPIR/ Pet Friendly PIR Detector