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Sensor & Detector
Price
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−
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Apply
rating alitools
High (87–100%)
Middle (50–86%)
Low (0–49%)
categories
Clear
Security & Protection
Security Alarm
Sensor & Detector
By orders
By price
By reviews
By Alitools rating
2722 products
LPSECURITY 15m waterproof alarm infrared photocells for gate and door opener barrier gate safety access
3.21
−
$
19
orders
/
3
review
Middle,
62
%
Outdoor Waterproof Wireless Animal Immune Infrared Detector 433MHz Long Working Distance For Home Burglar Wifi /GSM alarm system
25.12
−
107.07
$
19
orders
/
3
review
Middle,
64
%
Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
0.00
−
$
19
orders
/
2
review
Middle,
64
%
Mini X9009 GPS Tracker Smart Wireless PIR Motion Detector Sensor Support HD Camera SMS MMS GSM Anti-theft Alarm System Mirco USB
18.31
−
$
19
orders
/
1
review
Low,
31
%
KERUI P819 3pcs 433 MHz Wireless PIR Sensor Smart Infrared Motion Detector for GSM PSTN Home Security Burglar Alarm System
24.87
−
$
19
orders
/
6
review
Middle,
84
%
YAOSE 433mhz Wireless Window Door magnet alarm sensor Door detector for smart home security system
2.76
−
23.28
$
19
orders
/
3
review
Middle,
85
%
Tuya Wifi Water Leakage Alarm Independent WIFI Water Leak Sensor Detector Flood Alert Overflow Security Alarm System Tuya Smart
13.70
−
$
19
orders
/
3
review
Low,
1
%
KERUI M7 Wireless Welcome Doorbell 433Mhz Home Security PIR Motion Detection Alarm System 32Songs Door Chimes Smart Doorbell
14.92
−
26.87
$
19
orders
/
1
review
Middle,
81
%
free shipping 3 Button Electronic Remote PCB Repair Set for Renault Megane Card without PCf7947
6.02
−
$
18
orders
/
7
review
Middle,
77
%
Tuya WiFi Smoke Alarm Fire Protection Smoke Detector Smoke house Combination Fire Alarm Home Security System Fire
50.12
−
432.58
$
18
orders
/
2
review
Middle,
65
%
10m Outdoors INFRARED SAFETY BEAM PHOTOCELL AUTOMATIC GATE DOOR GARAGE SHUTTER BARRIER SENSOR
3.93
−
$
18
orders
/
1
review
Middle,
80
%
Infrared beam sensor detector alarm photocell Photoelectric switch detect distance 2 meter NPN output
3.62
−
4.13
$
18
orders
/
3
review
High,
90
%
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