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Sensor & Detector

Price
−
rating alitools
categories Clear
627 products
Natural Gas Leak Detector Alarm, Tuya WiFi Smart for Home Methane/Propane Alert Detectors with Sound Voice usb power supply
23.31 − 101.89  $
4 orders / × review
Middle, 76%
2 beams IR fence infrared sensor distance 30M wiring Infrared Barrier detector gate photocell sensor
15.89 −   $
4 orders / × review
Middle, 80%
(1pair) High quality Max 90mm Work distance Wired Rolling Door Alarm Magnetic Switch Window metal Door Open Control Door sensor
9.24 −   $
4 orders / 1 review
Low, 16%
Mini Infrared Motion Sensor Switch 360 Degree PIR Detection Recessed Ceiling Occupancy Motion Sensor Detector Lamp Light Switch
5.36 −   $
4 orders / 1 review
Low, 37%
Mini Infrared Motion Sensor Switch 360 Degree PIR Detection Recessed Ceiling Occupancy Motion Sensor Detector Lamp Light Switch
4.29 −   $
4 orders / × review
Middle, 84%
AVATTO Tuya Zigbee Water Leak Sensor,Water Leak Detector, Smartlife APP Notification Alerts,Water Flood Leak Alarm Home Security
30.19 −   $
3 orders / × review
Middle, 86%
5PCS KERUI P861 Mini Waterproof PIR Outdoor Motion Sensor For KERUI Wireless Security Alarm Burglar Alarm System
84.83 −   $
3 orders / × review
Low, 41%
IP66 waterproof 4 beams wireless 433MHz Active Infrared barrier fence infrared beam Sensor detector alarm 10m detect distance
0.00 −   $
2 orders / 1 review
High, 90%
Tuya Smart WiFi Door Window Sensor Magnetic Contact APP Control Work With Amazon Alexa
9.88 −   $
3 orders / 2 review
Low, 41%
1 PC 433MHz Wireless Water Leakage Sensor Leak Detector For Home Security Alarm
2.58 −   $
3 orders / 2 review
High, 87%
Kerui Remote Control Wireless Doorbell Alarm Sensor Motion Detection Door Bell USB Charger Welcome Alarm System Smart Home
12.80 −   $
3 orders / 2 review
Low, 41%
New 3 Button 433MHZ pcf7947 chip with recharge battery remote card for Renault Laguna (1piece)
66.41 −   $
3 orders / × review
Middle, 77%
100DB Sound Wireless WiFi Tuya Alarm Siren Sensor Smart Life Home Security Systems Alexa Google IFTTT
19.68 −   $
3 orders / × review
Middle, 72%
(10 pairs) NC Type Wired Door Window Sensor Magnetic Contacts Security Switch Alarm For Home Security Alarm White Hot Sale
32.89 −   $
3 orders / × review
Low, 19%
Focus MD-2022R Wireless Vibration Detector Shocking Sensor
7.87 − 10.03  $
3 orders / × review
Low, 19%
HIDAKA WLD-807 (DN20*2pcs) Japan Quality New Products Water Leak Control Alarm System Water Leak Detector with BSP NPT Valve
73.53 −   $
3 orders / × review
Low, 3%
3Tech Wired 2PIR+MW Outdoor Alarm Motion Detector for Home Alarm System with Anti-Mask,IP65 Waterproof,Pet Immune
35.70 − 132.12  $
3 orders / × review
Low, 46%
60 Meter gsm alarm system detector wireless RF ir beam sensor outdoor waterproof home security infrared beam Solar power
86.69 −   $
3 orders / 1 review
Low, 8%
The Original Self Defense Siren-Portable Safety Alarm for Women w/SOS LED Light & Carabiner Helps Elders & Kids Emergency Call
22.18 − 112.57  $
2 orders / 3 review
Middle, 84%
Gas Detector Voice Warning Kitchen Alarm in Combustible Natural LCD Display GAS LEAK SENSOR Alarm With backup battery EU Plug
14.28 −   $
2 orders / 1 review
Middle, 80%
1 PC 433MHz Wireless Water Leakage Sensor Leak Detector For Home Security Alarm Newest Drop Ship
3.74 −   $
2 orders / 2 review
Middle, 82%
Outdoor Tool Professional Motion Sensor Light Switch Outdoor AC 220V Automatic Infrared PIR Motion Sensor Switch With LED Light
2.30 − 11.26  $
2 orders / 2 review
Low, 25%
IP66 waterproof 2 beams wireless 433MHz Active Infrared barrier fence infrared beam Sensor detector alarm 10m detect distance
49.98 −   $
2 orders / 1 review
High, 90%
Mini Portable Wired Dual Infrared PIR Motion Detector Sensor for 25Kg Pet Immune Intelligent Volume Recognition Home Security
12.49 −   $
2 orders / × review
Low, 14%
Home Standalone Plug-In Combustible Gas Detector LPG LNG Coal Natural Gas Leak Alarm Sensor Voice Warning Alarm Sensor
15.30 − 136.00  $
2 orders / 1 review
Middle, 76%
LESHP 105db Wireless PIR Motion Sensor Alarm for Home Security Anti-theft Motion Detector Alarm System With 2 Remote Controller
3.08 −   $
2 orders / × review
Low, 32%
Russian Ship WLD-806 Water Leak Sensor Alarm Kit with 2pcs DN15 Valves Water Leakage Detector Protection Against Water Leaking
43.03 − 103.19  $
2 orders / 1 review
Low, 18%
Tuya WiFi Outdoor waterproof Alarm Siren Sensor 130DB Sound Wireless Smart Life Home Security Systems Alexa Google IFTTT
21.76 − 42.80  $
2 orders / × review
Middle, 72%
HEIMAN Zigbee Motion Sensor Smart Movement PIR Human Body Detector with smart home / house alarm
31.35 − 150.20  $
2 orders / 1 review
Low, 27%
433MHz Wireless Door Window Open Detector Door Open Sensor For Home Burglar Alarm System For Wifi GSM Alarm System
3.61 −   $
2 orders / 1 review
Low, 14%
(1 PCS) Indoor 360 degree ceiling PIR motion detector infrared sensor light switch NC NO output options Mini PIR Alarm intruder
19.62 −   $
2 orders / × review
Low, 16%
KERUI Wireless Window Curtain Motion Sensor PIR Detector Infraid Sensor Circuit Design 433MHz For Home Alarm System
9.69 −   $
2 orders / 0 review
Low, 41%
200m range Wired Outdoor Waterproof Infrared Beam Detector, infrared barrier Detector
22.23 −   $
2 orders / × review
Middle, 75%
LPSECURITY 20m to 150m waterproof LED indicator photoelectric IR two beams detector Outdoor Sensor Infrared Barrier Detector
10.02 −   $
2 orders / 1 review
Middle, 75%
KERUI P817 Wireless Infrared Detector Curtain Sensor PIR Detector Burglar Alarm System Detector suit for all KERUI alarm
8.41 −   $
2 orders / 0 review
High, 89%
100 Meter Wireless 433 Solar Power Panel Passive Infrared Beam Detector Smart Home Security Alarm Host Driveway Window Sensor
93 245.00 −   $
2 orders / 1 review
Low, 8%
Outdoor Wired Red Siren of Strobe
15.97 −   $
2 orders / × review
Middle, 75%
220VAC Kitchen CH4 Natural Gas leaking detector Magnetic Solenoid valve to cut off coal gas Fire alarm sensor for home security
28.70 − 29.41  $
2 orders / × review
Low, 16%
100m Burglar Alarm Infrared beam sensor 3 Beam Barrier Fence Detector Home Alarm System for house door window shutter security
33.23 −   $
2 orders / 1 review
Middle, 80%
Water Leakage Alarm Detector 130dB Water Alarm Leak Sensor Detection Flood Alert Overflow Home Security Alarm System
34.22 −   $
1 orders / × review
Low, 8%
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