Kitchen Fire Alarm Sensor Temperature Sensor Independent / Wireless Smoke+Heat Detector for Wireless WIFI GSM PSTN Alarm

Standalone 433MHz Smoke Detector Fire Alarm Sensor for Indoor Home Safety Garden Security S2G, G90B, 8218G,G19

Independent / Wireless Smoke+Heat Detector Temperature Sensor Kitchen Fire Alarm Sensor for Wireless WIFI GSM PSTN Alarm

HEIMAN Zigbee Environment Humidity Temperature 2-in-1 Detectors Working with Conbee 2

1Pcs 9-28Vdc Wire Smoke And Heat Detector Relay Output NC/NO Optional Fire Alarm Ceiling Temprature Sensor