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 Gas Detector WiFi Fire Alarm Smoke Sensor Gas Sensor For House Security Automatic Alarm SmartLife APP Control Notice

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

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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

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

× orders / 17 review

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

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

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

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

5.00 − 12.00 $

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

89.67 − 171.43 $

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Work with ZigBee Alexa Echo Show, Echo Plus Battery Powered Smart Motion Sensor Detector ZigBee3.0 PIR Tuya

43.90 − 190.39 $

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

27.99 − 81.89 $

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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 $

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

6.89 − 21.20 $

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

9.10 − 46.53 $

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

8.63 − 25.88 $

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

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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 $

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

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

× orders / 3 review

220V-240V Radar body sensor switch Automatic home staircase corridor corridor Small volume micro microwave sensor module

× orders / 1 review

220V 110V 1200W Microwave Radar Sensor PIR Occupancy Body Motion Detector Light Switch

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Independent Wireless Door Sensor Gap Sensor Magnetic Sensor Wireless Home Window Door Entry Anti Thief Security Alarm 90dB

3.63 − 17.28 $

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Tuya WIFI Temperature Thermometer Humidity Hygrometer Detector Alarm Sensor Smart Life App home thermostat Controller

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

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

7.16 − 13.81 $

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

6.67 − 26.30 $

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Wireless Remote Control Alarm Bicycle/Electric tricycle/ New Energy Car Vibration and Displacemnt Alarm Safety Lock

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

40.85 − 168.57 $

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Haozee Smart WiFi Water Sensor Built in Battery Smart Flood Detector with Remote Probe Water Resistant

14.85 − 53.46 $

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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 $

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Home Security Alarm Systen 180 Degree Outdoor IP44 PIR Infrared Motion Sensor Switch Movement Detector Automatic Lighting Switch

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

× orders / 1 review

12V Infrared PIR Motion Sensor Switch with Time Delay 360 Degree Cone Angle Detecting Induction Sensor For LED Ceiling Light Hot

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LESHP A9 Mini PIR Alarm Sensor Infrared GSM Wireless Alarm High Sensitivity Monitor Motion Detection Anti-theft EU Plug Piece

503.86 − 919.75 $

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

× orders / 2 review

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