120dB Fixed alarm manual water alarm SY-200A Chinese mainland. The alarm sound depends on the hand speed
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FP300 Addressable Fire Alarm Panel
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Fire Alarm System Conventional 4 Zone Fire Alarm System- Custom Metal Build for Ultimate Fire Safety 4-Zone Upgraded Conventional Fire Alarm Panel
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Alarmed Snapper with adjustable Lasso
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Glomarket Tuya 4g/Wifi Smart-Home-System Alarm DIY System Wireless Security Anti Theft Smart Home Alarm System Alexa
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DVR Vocational Education Equipment 50Hz For Protection Alarming Systems
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DC 5V Zigbee Siren Home Assistant 2.4GHz Tuya Smart Life Easy Installation