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Sensor & Detector
Price
$
−
$
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
Wireless 433MHZ Door Window Security Smart Gap Sensor for PG103 W2B W3B Home Security WIFI GSM 3G GPRS Alarm system
4.97
−
7.00
$
7
orders
/
1
review
Middle,
83
%
433MHz Wireless Water level detector Sensor, For PSTN GSM Alarm System for GSM Home Burglar Security Alarm System, Free Shipping
4.68
−
$
7
orders
/
2
review
High,
89
%
Laser receiver Laser alarm sensor with relay output for alarm system
9.29
−
$
7
orders
/
1
review
Middle,
76
%
433MHz 315MHz Wireless Window Door Magnet Sensor Detector For Home Wireless Alarm System
5.04
−
$
7
orders
/
3
review
Middle,
70
%
Security Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor
14.48
−
$
7
orders
/
19
review
High,
87
%
Awaywar 433MHz Gas Alarm LPG Detector Wireless Sensor For smart home Alarm System Auto Detect Built-in siren Fire prevention
9.44
−
10.67
$
7
orders
/
4
review
Middle,
81
%
Home Security Alarm Systen LED PIR High Sensitivity Motion Sensor Detector Waterproof Outdoor IP65 Adjustable PIR Switch
3.71
−
$
7
orders
/
2
review
Middle,
76
%
PB68R Wireless Magnetic Door & Window Sensor with EV1527 Coding Mode RF 433MHz for Home Security Alarm System Burglar Alarm Kits
5.36
−
51.50
$
7
orders
/
1
review
Middle,
84
%
Magnetic Reed gap Switch NC&NO Combined Door/Window Contact Sensor for Wireless Security Alarm System
74.96
−
$
7
orders
/
1
review
Low,
41
%
Tuya Smartlife APP Remote Control WiFi Water Leakage Detector Sensor Alarm Wire Water Level Detector
5.14
−
$
7
orders
/
11
review
Middle,
84
%
1
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