β‘Quick view1pcs 9-12Vdc Indoor Ceiling Wired Heat Detector NC/NO Relay Output Signal Optional Fire Alarm Sensor For Home Security553.66 UAHHotβ β β β β 5.0
β‘Quick view1Pcs 9-24Vdc Wire Smoke And Over 57β Heat Detector Relay Output NC/NO Optional Fire Alarm Ceiling Temperature Sensor975.23 UAHHotβ β β β β β 4.9
