Smoke detector alarm

UTC Fire & Security Photoelectric smoke detector with remote alarm led output

PLANET IP20 LoRaWAN Smoke Detector (High-Temperature Alarm, EU868 Sub 1G) (LS100-SMK-868M) Trådlös

Abb 6828, Transmitter / Receiver Heater Assembly, Rökvarnare, Busch-Smoke Alarm Detector Rf, Litium, 1 Styck, 56 Mm