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Sensor & Detector

Price
−
rating alitools
categories Clear
610 products
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%
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%
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%
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%
Tuya Smartlife APP Remote Control WiFi Water Leakage Detector Sensor Alarm Wire Water Level Detector
5.14 −   $
7 orders / 11 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, 85%
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%
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%
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%
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%
Security Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor
14.48 −   $
7 orders / 19 review
Middle, 74%
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%
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%
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%
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%
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%
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%
2022 LED Infrared Sensor Photosensitive Sensor Night Light Wireless USB Rechargeable Night lamp For Bedside Wardrobe Wall Lamp
588.37 −   $
6 orders / × review
Middle, 85%
Tuya Smart life Zigbee PIR Sensor Motion Sensor Smart Life APP Wireless connect with Gateway Smart security alarm system
17.84 −   $
6 orders / 1 review
Low, 41%
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%
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%
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%
Sgooway 2pcs/lot 433MHz Wireless Water leak detector sensor water Leakage detector Sensor for wireless gsm PSTN WIFI Alarm
6.75 − 15.85  $
6 orders / 1 review
Middle, 65%
100M wired dual beams sensor with Transmitter and receiver Infrared Motion Detector Home Garden Security Photoelectric
0.00 −   $
6 orders / 1 review
Low, 12%
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%
LPSECURITY 10 pairS Sensitivity Active Infrared Safety Detected Sensors photoelectric beam detector for Automatic Doors
34.31 −   $
6 orders / 1 review
Middle, 75%
433MHz Wireless Door Window Open Detector Door Sensor For Wifi GSM Home Burglar Alarm System.,
4.09 −   $
6 orders / 1 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%
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