Alarm detector | 2,000+ products

Smoke Sensor RS485 Smoke Concentration Temperature and Humidity Detection Chemical Fire Alarm Smoke Transmitter

Natural gas alarm detector household industrial plant liquefied coal leakage ceiling cable cross-border hotel

Data center warehouse temperature alarm 220V mains power failure alarm farm temperature alarm

Industrial-grade networking temperature sensing, relay signal output normally open and normally closed adjustable temperature sensing fire detector

Home Door Window Anti-Theft Alarm Door Opening Sensor Wireless Mobile Phone Remote Door Magnetic Detector

Tuya graffiti smart WIFI smoke detector APP notification wireless smoke sensor smart fire smoke sensor

Cross-Border Export Wireless Induction Doorbell Sensor Welcome Alarm Home High Decibel Door and Window Magnetic Anti-Theft Device

Switch Signal Network smoke sensor single chip microcomputer control relay signal output alarm JTY-GD-DG311

220V independent gas alarm natural gas detector liquefied gas combustible gas detector

RS485 smoke-sensing dual light source photoelectric smoke-sensing fire detector Modlbus communication protocol dust-proof water mist

Solar wireless sound and light alarm infrared detector WiFi networking on-site voice alarm burglar alarm

Foreign trade dedicated gas alarm wifi gas tank Liquefied Gas Natural Gas leakage warning alarm APP push

YJ-105 quality engineering household smoke alarm fire protection CCC certification independent photoelectric smoke alarm

Long-term batch supply wireless infrared detector shell human body sensor shell

Tobacco Control Guard No Smoking Alarm School Hospital Mobile Phone Networking Smoke Induction Detection Sensor

Gas alarm propane catering gas high pressure cut-off valve cylinder solenoid valve liquefied gas alarm detector

Fire Alarm System Networking Wireless Smoke Alarm Commercial Remote Fire Linkage Host Smoke Detector

rs485 Sensor Human Body Presence Breathing Static and Dynamic Detection Sensing 24v Weak Current Embedded Radar Alarm Sensor

The original CA2001 photoelectric smoke JTY-GD-CA9001 smoke detector smoke alarm

Wireless Smoke Detector NB Smoke Alarm WiFi Photoelectric Sensor Home Fire Alarm Detector

GOLDKOON water leak detection cable braided water immersion induction rope shielding water leak detection tape

Positioning water leakage detection cable water immersion induction rope controller monitoring line machine room semiconductor plant leakage belt

Natural gas pipeline solenoid valve gas leak linkage alarm automatic cut-off DN15 DN20 wireless cut-off

Infrared Human Body Sensor Home Remote Wireless Intelligent Anti-theft Alarm Door Security System Detector

Home isolation NB smart door magnetic alarm door opening and closing reminder Electronic seal alarm detector

FaCtory DireCt 3C Fire CertifiCation SwitCh Volume Uv Flame DeteCtor Flame Signal Alarm RS602

Graffiti smart wireless door magnetic wifi anti-theft alarm smart door magnetic Internet of Things home with USB charging

WIFI graffiti sound and light warning number sound and light warning number alarm graffiti intelligent sound and light warning number remote mobile phone App control

Mounted Plastic Door Magnetic Switch, Wardrobe Door Magnetic Control Switch, Wired Normally Closed Door Magnet, Door Magnetic Anti-theft Alarm

Water leakage sensor rope non-positioning water leakage detection line orange leakage detection with machine room water immersion sensor cable

Factory Direct supply cross-border wired infrared radiation detector wired electronic fence 2 Beam

Wired Curtain Infrared Detector Household Curtain Infrared Detection Alarm Door and Window Human Body Induction Alarm

Graffiti smart wifi gas cross-border hot selling detector intelligent detection combustible gas detection home alarm

Red Smai Immersion Sensor RS485 Immersion Detector Switch Water Leakage Alarm Water Leakage Detection Line

Door and window anti-theft alarm NB door magnetic detector shell WIFI door magnetic shell without magnet

433 household door and window alarm anti-thief door window reminder remote control wireless door magnetic switch alarm

Honeywell DT-7225 wired double-detector infrared detector wide-angle induction probe anti-theft alarm

Manufacturers always SK-239C-NET home shop anti-theft wired wireless alarm host networking anti-theft alarm

Wired door magnetic switch iron door magnetic sensor door and window magnetic induction switch normally closed alarm

Foreign Trade CE Foreign Language English Freestanding Smoke Alarm Independent Smoke Sense