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Security
Alarms
Alarm Systems
Opened sensor
(50638 products available)
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Metal
sensor
Inductive Normally
Open
NPN Three-Wire 5MM 8MM threaded reed proximity switch magnetic reed switch door
sensor
Ready to Ship
$7.91-$9.23
Shipping per piece: $0.89
Min. Order: 100 pieces
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Factory Supply 9mm 11mm 16mm SMD Reed Switch Magnetic
Sensor
Normally
Open
Normally Close Housed 2500pcs/Reel
Ready to Ship
$0.19-$0.40
Shipping per piece: $0.40
Min. Order: 50 pieces
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mini smart bluetooth wireless magnetic window and door
open
close motion contact alarm
sensor
ble iot door
sensor
for iot system
Ready to Ship
$6.12-$10.20
$7.20-$12.00
-15%
Shipping per piece: $5.24
Min. Order: 3 pieces
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LJ8A3-1-Z/BX M8 3-Wire NPN Normally
Open
Inductive
Sensor
Switch Metal Embedded Proximity
Sensor
Ready to Ship
$2.03-$4.32
Shipping per piece: $5.08
Min. Order: 10 pieces
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FOCUSENS Heavy Duty Door Contact Surface Screw Mount Normally
Open
Roller Magnetic Reed Switch
Sensor
$1.00-$3.00
Min. Order: 100 pieces
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Tuya WiFi Wireless Door
open
Sensor
With AAA Battery By Smart Life APP Remote Control For Home Automation Alarm Security System
$4.59-$5.99
Min. Order: 100 pieces
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Dusun
Open
API interface Smart Home Mini Wireless Zigbee3.0 greenpower Water Leakage Detector
Sensor
$7.50-$9.50
Min. Order: 1 piece
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Tuya Smart WiFi Door/Window
Open
Sensor
Wireless Contact
Sensor
Alarm Tuya WiFi Door
Sensor
for home alarm
Ready to Ship
$4.80-$6.00
Shipping per piece: $14.85
Min. Order: 2 pieces
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