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Sensor & Detector

Price
−
rating alitools
categories Clear
627 products
Gas Leak Detector Sensitivity Combustible Alarm Coal Natural Portable Warning EU Only
4.19 −   $
9 orders / 4 review
Low, 30%
KERUI New Wireless Extra Door Window Magnetic Sensor for Home Security Voice Burglar PSTN GSM WIFI Alarm System Battery Included
5.74 − 22.94  $
9 orders / 4 review
Middle, 81%
(1 PCS)12VDC NC output Home security Control Ceiling Coal Gas natural Gas Alarm LPG Leak detector Alarm Gas sensor Gas leaking
14.18 −   $
9 orders / 1 review
Low, 16%
Safety Window Wall Barrier IR Outdoor Motion Alarm/Dual Beam Sensor Active Infrared Intrusion Detector up to 30-150m distance
9.98 −   $
9 orders / 1 review
Low, 12%
wofea wireless magnetic window door sensor for home alarm system 433MHZ 5pcs/lot
10.18 −   $
9 orders / 4 review
Middle, 81%
YAOSE Wireless Magnetic Sensor Window & Door Sensor for All RF 433MHz Home Alarm Security Smart Gap Sensor to Detect Open Door
2.94 − 26.17  $
8 orders / 2 review
Middle, 85%
2022 NEW White Tuya WiFi Water Leakage Sensor Smart Life Water Detector Compatible With Tuyasmart APP
8.64 − 10.52  $
8 orders / 3 review
Low, 37%
Waterproof Dual Beam Sensor Active Infrared Intrusion Detector IR 20m~150m Outdoor Perimeter Wall Barrier Fence for GSM alarm
4 677.72 −   $
8 orders / 2 review
Low, 12%
Home Alarm Water Leakage Alarm Detector 120dB Independent Water Leak Sensor Detection Flood Alert Overflow Security Alarm System
0.69 − 1.38  $
8 orders / 3 review
Low, 21%
Wifi Ceiling Infrared Detector PIR Movement Sensor Human Body Motion Sensor Alarm Security Burglar Alarm System IOS Android APP
8.80 −   $
73 orders / 19 review
High, 90%
Tuya ZigBee PIR Sensor IFTTT Battery Powered Smart Wireless WIFI PIR Motion Sensor Detector Home Alarm System ZigBee PIR Sensor
14.19 −   $
8 orders / 3 review
Middle, 72%
Outdoor Wireless PIR Alarm Motion Sensor Animal Immune Infrared Detector 433Mhz RF Sensor Waterproof Home Safety Alarm System
100.43 −   $
8 orders / 4 review
Middle, 64%
AC 110V 220V PIR Infrared Motion Sensor Wall Mounted Sensor Motion Light Switch ON/OFF Automatic Recessed For LED Lamp Bulbs
4.12 − 6.39  $
8 orders / 1 review
Middle, 83%
Natural Gas Leakage Sensor LPG Methane CH4 Leak Alarm Detector with Solenoid Valve DN15 DN20 Auto Shut Off Gas Cylinder Pipeline
11.69 − 29.20  $
8 orders / 3 review
Middle, 70%
10m Gate & Door sensor Safety beam Sensors/waterproof reflective mirror Infrared Photocells
18.79 −   $
8 orders / 2 review
Middle, 83%
Russian Water Leak Sensor Alarm WLD-806 with 1/2"(DN15) 3/4"(DN20) (1"DN25) Valve Aaginst Flood Overflow Water Leaking Detector
7.43 − 98.58  $
8 orders / 4 review
Low, 27%
HIDAKA WLD-807 (DN15*2pcs) Water Leaking Detector Alarm for Smart Home Sensor Cable with 2pcs 1/2" BSP NPT Valve 6m Eu/US Plug
59.82 −   $
8 orders / 1 review
Low, 3%
10pcs NC Wired Door Window Sensor Magnetic Switch Home Alarm System Detector
7.65 −   $
8 orders / 1 review
Middle, 83%
KERUI DW9 Waterproof PIR Motion Detector Driveway Alarm Garage Welcome Burglar Alarm System LED Wireless Driveway Security Alarm
22.58 − 106.72  $
8 orders / × review
Middle, 81%
Water Leakage Sensor Flood Leak Liquid Detector Probe Alarm for Home Farm Security Anti-corrosion water alarm system
1.92 − 12.65  $
8 orders / 3 review
Middle, 75%
Russian/Ukraine Water Leakage Sensor with DN15 DN20 DN25 Auto Stop Valve Water Leaking Detection Alarm System For Smart Home
69.68 − 83.20  $
8 orders / × review
Low, 27%
Free shipping CE Wireless window and door sensor 1527 battery not included 10pcs/lot
19.54 −   $
8 orders / 1 review
Middle, 81%
Sgooway 20 Pieces 433MHZ wireless PIR sensor wireless motion sensor detector for alarm 2 years warranty
53.95 −   $
8 orders / 2 review
Middle, 65%
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, 85%
Tuya Smartlife APP Remote Control WiFi Water Leakage Detector Sensor Alarm Wire Water Level Detector
5.14 −   $
7 orders / 11 review
Middle, 76%
25pcs Kerui Home Alarm Wireless Door Window Magnetic Detector Gap Sensor For GSM Wifi Home Security Alarm System Touch Keypad
63.99 − 69.59  $
7 orders / 2 review
Low, 41%
Waterproof Dual Beam Sensor Active Infrared Intrusion Detector IR 10m~150m Outdoor Perimeter Wall Barrier Fence for GSM alarm
11.35 −   $
7 orders / 5 review
Middle, 77%
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, 73%
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, 86%
Home Security Alarm Systen LED PIR High Sensitivity Motion Sensor Detector Waterproof Outdoor IP65 Adjustable PIR Switch
3.71 −   $
7 orders / 2 review
Low, 29%
Security Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor
14.48 −   $
7 orders / 19 review
Middle, 74%
Magnetic Reed gap Switch NC&NO Combined Door/Window Contact Sensor for Wireless Security Alarm System
74.96 −   $
7 orders / 1 review
Low, 37%
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, 90%
Laser receiver Laser alarm sensor with relay output for alarm system
9.29 −   $
7 orders / 1 review
Low, 40%
433MHz 315MHz Wireless Window Door Magnet Sensor Detector For Home Wireless Alarm System
5.04 −   $
7 orders / 3 review
Middle, 70%
3pcs Water Leak Detector Sensor Alarm Detector 90dB Voice Wireless Water Leakage Flood Alert House Safety Home Security
17.39 −   $
7 orders / 1 review
Low, 24%
Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
12.88 − 48.40  $
6 orders / 1 review
Middle, 76%
Tuya APP Zigbee Smart Home Water Leak Sensor Wireless Flooding Detector Water Leakage Detection Alert Water Level Overflow Alarm
13.50 − 15.89  $
6 orders / 2 review
Low, 37%
Door Window Entry Security ABS Wireless Remote Control Burglar Alarm Magnetic Sensor door sensor System Home Protection Kit
8.21 − 19.52  $
6 orders / × review
Low, 42%
DC5V-24V 12V 5A Sensor PIR Switch Infrared Motion Detector Sensor Controller for LED Strip Light with DC Connector
4.00 −   $
6 orders / 1 review
Middle, 84%
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