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Sensor & Detector

Price
−
rating alitools Clear
categories Clear
249 products
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%
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%
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%
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%
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%
Tuya Smartlife APP Remote Control WiFi Water Leakage Detector Sensor Alarm Wire Water Level Detector
5.14 −   $
7 orders / 11 review
Middle, 76%
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%
Magnetic Reed gap Switch NC&NO Combined Door/Window Contact Sensor for Wireless Security Alarm System
74.96 −   $
7 orders / 1 review
Low, 37%
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%
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%
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%
DC 12V 24V 8A Automatic Adjustable PIR Motion Sensor Switch IR Infrared Detector Light Switch Module for LED Strip Light Lamp
30.44 − 128.06  $
6 orders / 2 review
Low, 2%
2 pin DN15, DN20, DN25 Electronic Ball Valve for Leak Stop Alarm System WLD-807(CWX-15Q)
26.38 − 34.83  $
6 orders / 2 review
Low, 46%
NC Waterproof Aluminum Alloy Wired Door Window Sensor Magnetic Switch Sensor for Alarm Home System
4.62 −   $
6 orders / 1 review
Middle, 67%
Wireless Infrared Motion Sensor Door Security Bell Alarm Chime EU/US Plug 3 AAA batteries Not Included
9.31 − 9.47  $
6 orders / 2 review
High, 87%
Smart Home Methane Propane Combustible LPG Gas Leak Detector Sensor 360 Degree Sound and Light Alarm For Home Safety Kitchen Use
16.09 −   $
6 orders / 2 review
Low, 11%
LPSECURITY 10 pairS Sensitivity Active Infrared Safety Detected Sensors photoelectric beam detector for Automatic Doors
34.31 −   $
6 orders / 1 review
Middle, 75%
100m 4Hz High Precision 2mm Laser Sensor Range Finder Module Serial Port RS232 for Obstacle warning distance measurement
2 561.76 −   $
6 orders / 1 review
Low, 40%
Gas leaking Alarm Sensor Detector LED Flash Sound Propane Butane LPG for kc868-h8 h32 smart home control system
10.00 −   $
6 orders / 3 review
Low, 37%
Wireless natural gas detetor in 433 for security alarm systems, free shipping gas leak detector alarm
13.94 −   $
6 orders / 2 review
Middle, 76%
Sgooway alarm Door detector sensor Wireless door window sensor window detector 433MHZ for alarm system
6.22 − 27.60  $
6 orders / 1 review
Middle, 65%
Infrared Detector Single Beam Infrared Detector Alarm Barrier Sensor Photoelectric Home Security 2022
4.48 −   $
5 orders / × review
Middle, 79%
20M~150M Dual Beam Sensor photocells Active Infrared Intrusion Detector Safety Window Wall Barrier IR Outdoor Motion Alarm
10.00 −   $
5 orders / 1 review
Low, 12%
Smart Home Methane Propane Combustible Sensor LPG LNG Gas Leak Detector 360 Degree Sound and Light Alarm For Family Safety Use
25.53 −   $
5 orders / × review
Low, 11%
Wireless PIR Sensor Motion Detector 433Mhz for alarm and WIFI camera free shipping
6.49 −   $
5 orders / 2 review
Middle, 65%
Sgooway 10 pieces Wireless shock detector Vibration sensor alarm detector for alarm system
21.76 −   $
5 orders / 1 review
Middle, 65%
MC52 NO NC 12VDC Wired Door Window Sensor Magnetic Switch Home Alarm System door lock use
2.58 − 4.69  $
4 orders / × review
Middle, 83%
LESHP Water Leakage Alarm Detector 130dB Water Alarm Leak Sensor Detection Flood Alert Overflow Home Security Alarm System
3.57 −   $
4 orders / 1 review
Low, 32%
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%
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%
100DB Sound Wireless WiFi Tuya Alarm Siren Sensor Smart Life Home Security Systems Alexa Google IFTTT
19.68 −   $
3 orders / × review
Middle, 72%
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%
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%
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%
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%
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