Sensor & Detector

Price

$

−

$

rating alitools

High (87–100%)

Middle (50–86%)

categories Clear

Security & Protection

Security Alarm

Sensor & Detector

By orders By price By reviews By Alitools rating

627 products

Tuya Smart ZigBee Sensor for Window Glass Breaking Sensor Vibration Detector HS1VS-TY

× orders / × review

LPG Gas Leak Detector Analyzer Carbon Monoxide Sensor LCD Digital Displayer Natural Gas Combustible 2 In 1 Alarm System For Home

32.60 − 35.50 $

× orders / × review

Motion Sensor 110v~230v Motion Detector Automatic Infrared Switch Degree Sensor Rotating Timer 180 Outdoor PIR Light Indoor

× orders / 0 review

433MHz Water Leakage Detector Wireless Leak Detection Flood Overflow Warning Water Leaks Sensor For Home Security Alarm System

× orders / 10 review

Gas-Leak-Detector Combustible Propane Butane Methane Natural Gas Safety Alarm Sensor Warning EU Plug

× orders / 1 review

Wireless Door Window Sensor Alarm Detector With 130dB Alarm Sound Built-in Speaker

× orders / × review

YAOSHENG 210W Tuya Wifi Gas Detector SmartLife App Control Combustible Natural Gas Leakage Alarm Sensor for Home Security Alarm

× orders / 2 review

WIFI PIR Motion Sensor Wireless Passive Infrared Detector Security Burglar Alarm Sensor Tuya APP Control Smart Home

12.00 − 13.65 $

× orders / × review

CPVAN Motion Sensor Alarm 125dB Wireless Infrared Home Security System PIR Motion Detector Alert with Remote Control

16.71 − 51.91 $

× orders / 2 review

KERUI 433MHz Wireless PIR Sensor/Motion Detector For Wireless all KERUI High quality Home Security Alarm System

10.77 − 54.20 $

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Premium Quality Wired PIR motion sensor Wide Angle Infrared Detector for security Alarm system

2.40 − 10.16 $

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6v-36V 2m Detect distance ( Adjustable ) photocell NPN Normal Open output Diffuse reflection photoelectric switch

× orders / × review

KERUI P831 3pcs 5pcs Mini PIR Motion Detector Wireless Alarm Sensor With magnetic swivel base For G18 W18 W20 Home Alarm System

57.05 − 89.25 $

× orders / × review

Dual Beam Sensor Active Infrared Intrusion Detector IR 30m~150m Outdoor Perimeter Wall Barrier Fence for GSM alarm

× orders / × review

110-220V LED Induction Switch Pir Induction Motion Sensor IR Infrared Human E27 Plug Socket Switch Base Led Bulb Lamp Holder

× orders / 3 review

1/2", 3/4", 1" Electric Cranes Motor Valve Brass with 3 Wires(CR03) for Water Control Alarm System WLD-805 and WLD-806

55.54 − 90.37 $

× orders / × review

Mini GSM PIR Alarm Motion Sensor Alarm Infrared Wireless GSM Alarm Anti theft Motion Detector High Sensitivity

× orders / × review

wofea wireless shock sensor vibration detector 433mhz 1527 330K to work with GSM wifi alarm

× orders / × review

QOLELARM water leakage sensor 433 wireless water leakage detector water leak alarm sensor level 12V working for home alarm kit

× orders / × review

New Solar Infrared Motion Sensor Alarm With 110db Siren Strobe Light For Home Garden Carage Shed Carvan Security Alarm System

12.74 − 14.24 $

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5 Pair Wired Door Window Sensor RC-36 Recessed Magnetic Contacts Security Reed Switch Alarm Home Security

× orders / × review

KERUI Wireless Passive Infrared Detector PIR Motion Sensor For 433MHz Wifi/GSM/PSTN Home Security Alarm System 3pcs/5pcs/10pcs

22.24 − 68.42 $

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Sensor Infrared safety beam Photocell Detector for Garage Gate Door LIFTMASTER CHAMBERLAIN DOORHAN NICE

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DOBERMAN 100dB Wireless Electronic Vibration Detector Cabinet Door Window Vibration Sensor Alert Security Alarm Detector

× orders / × review

5V 12V 24V Water Detector Relay Module Water Leakage Water Leak Water level Sensor Water Leakage Alarm

5.00 − 12.00 $

× orders / × review

DIGOO Upgraded 433MHz New Door & Window Alarm Sensor Wireless Alert Security Alarm Sensor for Digoo DG-HOSA DG-HAMA Security

6.67 − 26.30 $

× orders / × review

AAA Battery Operated Tuya ZigBee PIR Motion Sensor Detector Works with Tuya ZigBee Hub ZigBee Alexa Echo Show Plus

40.85 − 168.57 $

× orders / × review

HEIMAN Zigbee Smart Water Leakage Sensor Water overflow detector for zigbee smart home system,kitchen,bathroom,water tower,pool

27.99 − 81.89 $

× orders / × review

KONLEN LPG Natural Gas Leakage Detector Wireless 433Mhz Sensor With Solenoid Valve

12.76 − 31.95 $

× orders / 4 review

LESHP 105 dB MP Alert Infrared Sensor Alarm system 2 Remote Controller Wireless Home Security PIR Anti-theft Motion Detector

39.24 − 210.63 $

× orders / × review

Water leakage sensor WIFI leak level Alarm tank detector security Overflow protection Tuya Smart Life App home Remote control

6.89 − 21.20 $

× orders / × review

Digoo DG-HOSA 433MHz Wireless Smart Window and Door Sensor Alarm GSM&WIFI DIY Accessories Smart Home Security Alarm System Kits

9.55 − 55.82 $

× orders / × review

DIGOO HOSA 433MHz Wireless Door Window Alarm Sensor Smart Home Security System Kit Support HOSA HAMA Smart Home Security System

9.10 − 46.53 $

× orders / × review

Door sensor Window Contact Open Close tuya WiFi APP Remote Control Compatible With Alexa Google Assistant

8.63 − 25.88 $

× orders / × review

KERUI 5PCS Wireless Burglar Alarm Magnetic Sensor Smart Security Door Window Sensor Detector for GSM 433MHz Home Alarm System

× orders / 17 review

(1 pair) Wired Door Window Sensor Magnetic Switch for Home Alarm System N.O Type

× orders / × review

NEW 433MHz Wireless Pet Immune Infrared Detector Alarm Below 25kg Animal Ultra Low Power Consumption Battery Works Over 2 Years

× orders / × review

Upgraded DIGOO 433MHz New Door & Window Alarm Sensor for Digoo DG-HOSA DG-HAMA Security Alarm System for Smart Home

9.16 − 39.01 $

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360 Degree Recessed Automatic Infrared PIR Motion Sensor Switch with Time Delay for Ceiling Light Interruptor

7.16 − 13.81 $

× orders / × review

Mini Closet 220V PIR Motion Sensor Switch ON / OFF IR Infrared Human body Indction Sensor light Control Detector Module 50HZ

89.67 − 171.43 $

× orders / × review

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