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The 24 best-selling detector on AliExpress

We picked 24 detector from AliExpress with real orders and good reviews. Prices go from $1.99 to $684, the average rating is 4.8 stars and the most popular one has 197.1k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

  1. 11pc Motion Sensor Night Light - Wireless LED Detector Lamp for Bedroom, Staircase,-66%1pc Motion Sensor Night Light - Wireless LED Detector Lamp for Bedroom, Staircase,$1.99 $5.90★ 4.9 · 197.1k soldView on AliExpress →
  2. 21pc Motion Sensor Night Light - Wireless LED Detector Lamp for Bedroom, Staircase, Closet-63%1pc Motion Sensor Night Light - Wireless LED Detector Lamp for Bedroom, Staircase, Closet$2.84 $7.61★ 4.5 · 181.9k soldView on AliExpress →
  3. 3395nm UV Pen FLaslight,Blacklight Flashlight w/ Clip Portable Detector for Hotel/Pet Urine-61%395nm UV Pen FLaslight,Blacklight Flashlight w/ Clip Portable Detector for Hotel/Pet Urine$1.99 $5.15★ 4.9 · 88.4k soldView on AliExpress →
  4. 4Non-Contact Voltage Detector Pen 12-1000V AC Tester, Live Wire Breakpoint Finder, Electric-57%Non-Contact Voltage Detector Pen 12-1000V AC Tester, Live Wire Breakpoint Finder, Electric$4.27 $9.92★ 4.9 · 53.2k soldView on AliExpress →
  5. 5Universal Battery Tester ANENG BT173 Battery Detector Test C D AA AAA N 9V Cell Button Met-50%Universal Battery Tester ANENG BT173 Battery Detector Test C D AA AAA N 9V Cell Button Met$4.89 $9.77★ 4.8 · 26.8k soldView on AliExpress →
  6. 6NEWEST Skin Analyzer Scanner AI Intelligent Image Instrument Detector Magic Mirror 3D Digi-35%NEWEST Skin Analyzer Scanner AI Intelligent Image Instrument Detector Magic Mirror 3D Digi$684 $1055★ 5.0 · 16.8k soldView on AliExpress →
  7. 7ANENG 11-25V Relay Detector RT01 Digital Universal 4/5 Pins Car Battery Vehicle Detection-58%ANENG 11-25V Relay Detector RT01 Digital Universal 4/5 Pins Car Battery Vehicle Detection$9.70 $22.88★ 4.7 · 10.1k soldView on AliExpress →
  8. 82 Pack Tuya Smart WiFi Smoke Detector With Real-Time APP Alerts Wireless Fire Sensor Alarm-66%2 Pack Tuya Smart WiFi Smoke Detector With Real-Time APP Alerts Wireless Fire Sensor Alarm$14.63 $42.49★ 4.9 · 10k soldView on AliExpress →
  9. 9Zigbee 24G Mmwave Radar Presence Sensor Human Detector Motion/Static Detection For Tuya Z2-58%Zigbee 24G Mmwave Radar Presence Sensor Human Detector Motion/Static Detection For Tuya Z2$3.68 $8.74★ 4.9 · 10k soldView on AliExpress →
  10. 10Aoyan Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Work-57%Aoyan Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Work$2.84 $6.66★ 4.9 · 10k soldView on AliExpress →
  11. 11Tuya Smart WiFi Smoke Sensor Fire Protection Smoke Detector 85dB Sound Security System Fir-58%Tuya Smart WiFi Smoke Sensor Fire Protection Smoke Detector 85dB Sound Security System Fir$8.30 $19.79★ 4.9 · 10k soldView on AliExpress →
  12. 12Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm Sensor for Kitchen/Ba-57%Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm Sensor for Kitchen/Ba$4.10 $9.50★ 4.9 · 10k soldView on AliExpress →
  13. 13MUFASHA Non-Contact Voltage Detector Electrical Pen AC Voltage Tester Smart Breakpoint Fin-58%MUFASHA Non-Contact Voltage Detector Electrical Pen AC Voltage Tester Smart Breakpoint Fin$4.94 $11.80★ 4.7 · 10k soldView on AliExpress →
  14. 14Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart-53%Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart$15.83 $33.86★ 4.6 · 10k soldView on AliExpress →
  15. 15Tuya Zigbee Temperature Humidity Moisture Detector Smart Soil Tester Moisture Sensor Phone-66%Tuya Zigbee Temperature Humidity Moisture Detector Smart Soil Tester Moisture Sensor Phone$5.78 $17.14★ 4.5 · 10k soldView on AliExpress →
  16. 16ANENG B16 Lntelligent Sensing Digital Measuring Pen Non-Contact 12V-300V Voltage Detector-56%ANENG B16 Lntelligent Sensing Digital Measuring Pen Non-Contact 12V-300V Voltage Detector$4.48 $10.29★ 4.8 · 9.7k soldView on AliExpress →
  17. 17Zigbee Work with Tuya PIR Motion Sensor Infrared Detector Mini Smart Human Body Sensor Rem-58%Zigbee Work with Tuya PIR Motion Sensor Infrared Detector Mini Smart Human Body Sensor Rem$2.84 $6.80★ 4.9 · 5k soldView on AliExpress →
  18. 182 in 1 Tuya Zigbee Rain Sensor with Light Detector IPX4 Outdoor Waterproof Rain Detector W-20%2 in 1 Tuya Zigbee Rain Sensor with Light Detector IPX4 Outdoor Waterproof Rain Detector W$8.44 $10.54★ 4.6 · 5k soldView on AliExpress →
  19. 19Tuya 2 in 1 Zigbee Mini PIR Motion Detector + Bright Lux Light Passive Infrared Security B-60%Tuya 2 in 1 Zigbee Mini PIR Motion Detector + Bright Lux Light Passive Infrared Security B$6.20 $15.54★ 4.5 · 5k soldView on AliExpress →
  20. 20Zigbee Temperature Humidity Moisture Detector Smart Soil Tester Moisture Sensor Phone App-57%Zigbee Temperature Humidity Moisture Detector Smart Soil Tester Moisture Sensor Phone App$5.78 $13.39★ 4.9 · 5k soldView on AliExpress →
  21. 21Tuya Zigbee WiFi Human Presence Sensor MmWave Radar Detector With Luminance Sensor For Sm-63%Tuya Zigbee WiFi Human Presence Sensor MmWave Radar Detector With Luminance Sensor For Sm$8.10 $21.80★ 4.6 · 5k soldView on AliExpress →
  22. 22KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp-57%KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp$16.38 $38.45★ 4.9 · 4.3k soldView on AliExpress →
  23. 23AITHEA USB Rechargeable PIR Motion Sensor LED Bar Lights Dimmable Detector Night Light Por-73%AITHEA USB Rechargeable PIR Motion Sensor LED Bar Lights Dimmable Detector Night Light Por$2.81 $10.52★ 4.5 · 4k soldView on AliExpress →
  24. 24Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm Sensor for Kitchen/Ba-63%Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm Sensor for Kitchen/Ba$5.36 $14.43★ 4.7 · 4k soldView on AliExpress →

Quick picks

Most popular1pc Motion Sensor Night Light - Wireless LED Detector Lamp for Bedroom, Staircas$1.99 · ★ 4.9 · 197.1k soldBest ratedNEWEST Skin Analyzer Scanner AI Intelligent Image Instrument Detector Magic Mirr$684 · ★ 5.0 · 16.8k soldCheapest well ratedSEAMETAL Car Vehicle Motor Tire Pressure Pen Detector Air Pressure 5-50PSI Mini $1.97 · ★ 4.6 · 560 soldBiggest discountAITHEA USB Rechargeable PIR Motion Sensor LED Bar Lights Dimmable Detector Night$2.81 · ★ 4.5 · 4k sold

How much to pay

Tip: read the latest buyer photos on AliExpress and check the size or model before you order. Products with many orders and a rating of 4.7 or more are usually the safest choice.

Questions

What is the best-selling detector?

The most popular one is "1pc Motion Sensor Night Light - Wireless LED Detector Lamp for Bedroom, Staircase,", with 197.1k orders.

How much does a detector cost?

In this list prices go from $1.97 to $710; half of them cost less than $10.97.

Which detector has the best reviews?

"NEWEST Skin Analyzer Scanner AI Intelligent Image Instrument Detector Magic Mirror 3D Digi" has an average of 5.0 stars with many orders.

Are there discounts?

Yes. On average these products are 51% below their original price on AliExpress. Prices change often.

Prices and ratings come from AliExpress and can change. We may earn a commission when you buy through our links, at no extra cost to you.

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