Detector: 24 biggest discounts on AliExpress
We picked 24 detector from AliExpress with real orders and good reviews. Prices go from CHF 1.59 to CHF 119, the average rating is 4.8 stars and the most popular one has 53.2k orders. Every product opens on AliExpress, where you pay with buyer protection.
Updated: 2026-11
- 1
-73%AITHEA USB Rechargeable PIR Motion Sensor LED Bar Lights Dimmable Detector Night Light PorCHF 2.27 CHF 8.48★ 4.5 · 4k soldView on AliExpress → - 2
-69%Topdiag P50pro JDiag Mini Oscilloscope Automotive Circuit Tester Multifunctional 0-45V Voltage DetectorCHF 20.68 CHF 66.73★ 5.0 · 31 soldView on AliExpress → - 3
-67%Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine AutomotiveCHF 2.43 CHF 7.34★ 4.9 · 3.3k soldView on AliExpress → - 4
-65%Car Battery Relay 11-25V Detector Digital Universal Kit ANENG RT01+BT138 Battery Level Tester PortableCHF 3.75 CHF 10.85★ 5.0 · 20 soldView on AliExpress → - 5
-65%Diffuse Glass CO2 Drop Checker Aquarium Hang On CO2 Monitor Sensor Detector IndicatorCHF 2.71 CHF 7.68★ 4.5 · 192 soldView on AliExpress → - 6
-64%Huepar Stud Finder Wall Scanner 5 in 1 Electronic Sensor Metal Detector with LCD DisplayCHF 23.59 CHF 65.73★ 4.9 · 25 soldView on AliExpress → - 7
-61%SEAMETAL Car Vehicle Motor Tire Pressure Pen Detector Air Pressure 5-50PSI Mini Test MeterCHF 1.59 CHF 4.06★ 4.6 · 560 soldView on AliExpress → - 8
-60%Propane Butane Sensor 12V Gas Detector Sensor Alarm LPG Natural Motor Home Camper Marine LCHF 6.48 CHF 16.40★ 4.9 · 2k soldView on AliExpress → - 9
-59%EM415PRO Car Automotive Short & Open Finder Circuit Finder Tester Car Repair Tool Detector TracerCHF 11.31 CHF 27.75★ 5.0 · 45 soldView on AliExpress → - 10
-58%MUFASHA Non-Contact Voltage Detector Electrical Pen AC Voltage Tester Smart Breakpoint Finder 12-100CHF 3.95 CHF 9.44★ 4.7 · 48k soldView on AliExpress → - 11
-58%ANENG 11-25V Relay Detector RT01 Digital Universal 4/5 Pins Car Battery Vehicle DetectionCHF 7.82 CHF 18.45★ 4.7 · 10.1k soldView on AliExpress → - 12
-58%Relay Detector 11-25V ANENG RT01 Digital Universal 4/5 Pins Car Battery Vehicle DetectionCHF 8.79 CHF 20.72★ 4.7 · 3k soldView on AliExpress → - 13
-58%ANENG BF01 Brake Fluid Tester Oil Quality Check Detector Universal Brake Liquid Digital Vehicle AutoCHF 12.54 CHF 29.52★ 4.9 · 479 soldView on AliExpress → - 14
-58%1PC Brake Fluid Tester High Precision Portable Use Safety Quality Assurance OBD2 Brake Oil DetectorCHF 3.78 CHF 9.02★ 4.8 · 2.8k soldView on AliExpress → - 15
-58%Hidden Camera Detector 2026 Portable Camera Finder, GPS Tracker Detector, RF Wireless Signal ScannerCHF 14.11 CHF 33.52★ 5.0 · 73 soldView on AliExpress → - 16
-57%Non-Contact Voltage Detector Pen 12-1000V AC Tester, Live Wire Breakpoint Finder, Electrical OutletCHF 3.44 CHF 8.00★ 4.9 · 53.2k soldView on AliExpress → - 17
-57%ANENG B16 Lntelligent Sensing Digital Measuring Pen Non-Contact 12V-300V Voltage Detector NCV VoltagCHF 3.61 CHF 8.30★ 4.8 · 9.7k soldView on AliExpress → - 18
-57%KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector SuppCHF 13.21 CHF 31.01★ 4.9 · 4.3k soldView on AliExpress → - 19
-57%HT5009 Brake Fluid Tester Digital Auto Brake Liquid Oil Detector ToolCHF 13.04 CHF 30.62★ 4.9 · 1.9k soldView on AliExpress → - 20
-57%Wireless Sonar Fishing Alert Fish Finder Underwater Echo Sounder Fishing Detector Portable Fish FinderCHF 50.30 CHF 117★ 4.7 · 865 soldView on AliExpress → - 21
-56%OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2 forCHF 3.28 CHF 7.40★ 4.9 · 3.5k soldView on AliExpress → - 22
-56%For Diesel Truck Interface NEX IQ USB Link 2 Nexi-q-2 Bluetooth Heavy Truck Fault Detector Heavy Duty ScannerCHF 119 CHF 270★ 5.0 · 14 soldView on AliExpress → - 23
-56%Philips AET-R832 Infrared Thermometer Non Contact Forehead Thermometer Fast Accurate Temperature Detector ForCHF 34.02 CHF 77.34★ 5.0 · 22 soldView on AliExpress → - 24
-56%Hidden Camera Detector Anti-Spy Car GPS Tracker Listening Device Bug RF Wireless All Signal Scanner GadgetCHF 14.91 CHF 34.10★ 5.0 · 23 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.