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Security
Alarms
Alarm Systems
Detect sensor
(185186 products available)
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Normally Open Proximity Switch For Position
Detection
Flush Mounted Magnetic Reed Switch
$0.90-3.00
Shipping per piece: $6.20
Min. Order: 2 pieces
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T3 New Arrival Infrared
Detection
Wireless Signal Detector Smart Chips more Precise detector anti camera Bug Detector
Ready to Ship
$4.10-4.90
Shipping per piece: $3.03
Min. Order: 2 pieces
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EM2268 Ultrasonic Leak Detector Transmitter 36KHz-44KHz
Sensor
Gas Leak Multifunction Gas Analyzer
Ready to Ship
$108.00-128.00
Min. Order: 5 pieces
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M18 Proximity Switch LJ18A3-8 series proximity
Sensor
Switch non flush type Inductive proximity switch NPN PNP NO NC
Ready to Ship
$1.88
Shipping per piece: $5.55
Min. Order: 1 piece
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Tuya WiFi Human Presence Detector Elderly Fall
Sensor
smart home linkage light control Motion PIR
detection
alarm energy saving
Ready to Ship
$39.90-47.90
Shipping per piece: $8.67
Min. Order: 1 box
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Air Quality
Detecting
High Quality Acurite CO2 Monitor with Temperature Humidity Clock display
$14.50-16.50
Shipping per piece: $0.41
Min. Order: 100 pieces
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USB Personalized Voice PIR Infrared Human Body Induction Motion
Detection
Alarm Voice Reminder Player for Welcome Doorbell
Ready to Ship
$1.90-3.80
Min. Order: 1 unit
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Flammable gas
sensor
indicator gas leakage detector with alarm AS8800L
$16.60-18.00
Min. Order: 10 pieces
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