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School troops LORA emergency button hospital nursing home one-key alarm host LORA alarm host smoke

Maple Leaf PA-465 wired 12v ceiling 360 ° infrared detector/human body sensor hotel customer control system

Jty-Gd-Dg311 Switch Smoke Alarm, Universal Normally Open and Normally Closed, Optional Four-Wire Smoke Sensor

Graffiti WiFi Water Leakage Alarm Overflow Water Drip Overflow High decibel Sound Alarm Mobile Phone APP Remote Control

Voltage 220Vjty-Gd-301Al Switch Signal Smoke Alarm Industrial Grade Anti-Electromagnetic Field Interference

Water Immersion Electrode Probe Water Leakage Detection Sensor Anti-theft Alarm Stainless Steel Probe Liquid Induction Electrode

Fire audible and visual alarm 119 fire alarm LED flashing alarm 12V24V fire audible and visual alarm

Graffiti Smart WIFI Wireless Smoke Alarm Home Fire Special Fire Induction Smoke Wireless Remote

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Tuya Smart Zigbee Door Magnetic Sensor Tuay Window Opening Home Reminder Anti-Theft Sensor Alarm

Graffiti Wifi Door and Window Alarm Sensor Anti-Theft Intrusion Mobile App Notification Smart Security

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E-Commerce Graffiti Wifi Vibration Detector Door and Window Vibration Drop Sensor App Remote Push Alarm Black/White

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Nb Smart Smoke Alarm Can Remotely Remind Users of Home or Commercial Use Wireless Smoke Detectors Nb Internet of Things

Tuya Wifi Gas Detector Sound and Light Alarm Mobile App Remote Connection Gas Home Alarm

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Vibration Alarm

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Nophell Smoke Sensing Noodel PhotoeleCtriC Smoke DeteCtor FSY-GD-FSP-851C NOTIFIER

433 wireless infrared sensor human body sensor infrared detector wide angle intelligent probe factory direct sales

Wireless Passive Infrared Detector Anti-Intrusion Anti-Theft Infrared Detector 433Mhz Wide Angle Infrared Detector

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Smoke Alarm 12V Network Smoke Sensor Detector 24V Switch Volume Fire Temperature Wired Smoke Sensor Alarm

Tuya Wifi Door Sensor Zigbee Door Sensor Smart Wireless Door and Window Sensor Intelligent Linkage Field

Networked Nb Smoke Detectors for Real-Time Fire Detection and Alarm, Suitable for Homes, Shopping Malls, and Subway Systems