18 best detector under $10.00
We picked 18 detector from AliExpress with real orders and good reviews. Prices go from $1.21 to $6.76, 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
-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 → - 2
-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 → - 3
-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 → - 4
-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 → - 5
-54%Inductor Detector Tool Motherboard Coil Tester for Phone Motherboard Repair Electromagneti$1.21 $2.64★ 4.9 · 10k soldView on AliExpress → - 6
-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 → - 7
-58%MUFASHA Non-Contact Voltage Detector Electrical Pen AC Voltage Tester Smart Breakpoint Fin$3.95 $9.44★ 4.7 · 10k soldView on AliExpress → - 8
-57%Zigbee Temperature Humidity Moisture Detector Smart Soil Tester Moisture Sensor Phone App$4.62 $10.71★ 4.9 · 5k soldView on AliExpress → - 9
-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 → - 10
-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 → - 11
-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 → - 12
-20%2 in 1 Tuya Zigbee Rain Sensor with Light Detector IPX4 Outdoor Waterproof Rain Detector W$6.75 $8.43★ 4.6 · 5k soldView on AliExpress → - 13-63%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 → - 14
-53%Tuya ZigBee 3.0 Leakage Alarm Detector Water Leak Sensor Overflow Flood App Remote Control$5.42 $11.52★ 4.6 · 4k soldView on AliExpress → - 15
-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 → - 16
-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 → - 17
-50%Diagnostic Instrument Android Windows ELM327 OBD2 V2.1 Bluetooth/WIFI Car Detector D For Android$4.09 $8.17★ 4.9 · 175 soldView on AliExpress → - 18
-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 →
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.