Detector: 24 biggest discounts on AliExpress
We picked 24 detector from AliExpress with real orders and good reviews. Prices go from $1.21 to $570, the average rating is 4.9 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
-70%2026 XINGCE X5-AI Skin Analyzer 11 Spectrum Facial Detector AI Aging Acne Pigment Tester Salon$570 $1912★ 5.0 · 3.8k soldView on AliExpress → - 2
-67%Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine Automotive$2.43 $7.34★ 4.9 · 3.3k soldView on AliExpress → - 3
-66%1pc Motion Sensor Night Light - Wireless LED Detector Lamp for Bedroom, Staircase, Closet, and$1.59 $4.72★ 4.9 · 197.1k soldView on AliExpress → - 4
-66%2 Pack Tuya Smart WiFi Smoke Detector With Real-Time APP Alerts Wireless Fire Sensor Alarm$11.70 $33.99★ 4.9 · 10k soldView on AliExpress → - 5
-63%Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm Sensor for Kitchen/Ba$4.29 $11.54★ 4.7 · 4k soldView on AliExpress → - 6
-63%Tuya Zigbee WiFi Human Presence Sensor MmWave Radar Detector With Luminance Sensor For Sm$6.48 $17.44★ 4.6 · 5k soldView on AliExpress → - 7
-62%KEZERS Red Green Laser Level Receiver Detector For$20.69 $54.67★ 4.8 · 88 soldView on AliExpress → - 8
-58%Zigbee 24G Mmwave Radar Presence Sensor Human Detector Motion/Static Detection For Tuya Z2$2.94 $6.99★ 4.9 · 10k soldView on AliExpress → - 9
-58%Tuya Smart WiFi Smoke Sensor Fire Protection Smoke Detector 85dB Sound Security System Fir$6.64 $15.83★ 4.9 · 10k soldView on AliExpress → - 10
-58%MUFASHA Non-Contact Voltage Detector Electrical Pen AC Voltage Tester Smart Breakpoint Fin$3.95 $9.44★ 4.7 · 10k soldView on AliExpress → - 11
-58%Zigbee Work with Tuya PIR Motion Sensor Infrared Detector Mini Smart Human Body Sensor Rem$2.27 $5.44★ 4.9 · 5k soldView on AliExpress → - 12
-58%Hidden Camera Detector 2026 Portable Camera Finder, GPS Tracker Detector, RF Wireless Signal$14.11 $33.52★ 5.0 · 73 soldView on AliExpress → - 13
-57%Aoyan Zigbee 3.0 Mini PIR Motion Sensor Human Motion Infrared Detector Security Alarm Work$2.27 $5.33★ 4.9 · 10k soldView on AliExpress → - 14-57%Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm Sensor for Kitchen/Ba$3.28
$7.60★ 4.9 · 10k soldView on AliExpress → - 15
-57%Zigbee Temperature Humidity Moisture Detector Smart Soil Tester Moisture Sensor Phone App$4.62 $10.71★ 4.9 · 5k soldView on AliExpress → - 16
-57%1-10pcs HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module For Ard$1.42 $3.28★ 4.9 · 5k soldView on AliExpress → - 17
-57%KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp$13.21 $31.01★ 4.9 · 4.3k soldView on AliExpress → - 18
-56%OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2 for$3.28 $7.40★ 4.9 · 3.5k soldView on AliExpress → - 19
-55%Hidden Camera Detector Anti-Spy Car GPS Tracker Listening Device Bug RF Wireless All Signal$10.93 $24.36★ 4.9 · 121 soldView on AliExpress → - 20
-55%Hidden Camera Detector Anti-Spy Car GPS Tracker Listening Device Bug RF Wireless All Signal$13.60 $30.47★ 4.6 · 272 soldView on AliExpress → - 21
-55%Professional Anti Spy Camera Detector K68 Bug Scanner Security Protection RF Signal Cam Hidden$36.65 $81.66★ 4.9 · 42 soldView on AliExpress → - 22
-55%Electronic Stud Finder Wall Scanner, Wood & Metal Detector, 20mm Deep Detection Sensor with LED$6.76 $15.05★ 5.0 · 36 soldView on AliExpress → - 23
-54%Inductor Detector Tool Motherboard Coil Tester for Phone Motherboard Repair Electromagneti$1.21 $2.64★ 4.9 · 10k soldView on AliExpress → - 24
-53%Tuya WiFi Zigbee PIR Motion Sensor Smart Home Human Body Infrared Detector Security Smart$12.66 $27.09★ 4.6 · 10k soldView on AliExpress →
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