Sensor & Detector

Price

$

−

$

rating alitools

High (87–100%)

Middle (50–86%)

categories Clear

Security & Protection

Access Building Automation

Security Alarm

Sensor & Detector

By orders By price By reviews By Alitools rating

610 products

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

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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

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

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

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

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

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free shipping.10 Pcs/Lot Wired Switch signal alarm water leak alarm/Water leak sensor can connect with home guard alarm system

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gate opener and barrier gates Safety beam Sensors/Infrared Photocell Gate & Door sensor / fotoceldas infrarrojas

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New SE-0104 Infrared Motion Detector Alarm W/Chime IR motion Sensor Doorbell Alarm Welcome Chime Home Apartment House Security

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Wofea 10pcs/lot Wired Door Window Magnetic Sensor Switch

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One Beam Sensor Active Infrared Intrusion Detector IR 20M Outdoor Perimeter Wall Barrier Fence for GSM alarm

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HEIMAN ZigBee Smart Door Window Sensor Intelligent Home Security Equipment Wireless Connection with Battery HS3DS

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1xMini Wireless Motion GSM Alert Detection Monitor Infrared Sensor PIR MP Alarm A9

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Kerui D025 Home Alarm Wireless Door Window Magnetic Detector Gap Sensor For GSM Wifi Home Security Alarm System Touch Keypad

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Fence Active Infrared Reflective Infrared Laser Beam Sensor Wired and wireless alarm set IR 3 beams wall infrared

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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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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

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

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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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Wireless Door Bell Guest Welcome Chime Alarm PIR Motion Sensor For Shop Entry Security Doorbell Infrared Detector

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

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Audio Downloadable Mini PIR Motion Sensor Activated Music Sound Player Loudspeaker for Safety Voice Reminder

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

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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

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

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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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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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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 $

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

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