Detector: 15 biggest discounts on AliExpress
We picked 15 detector from AliExpress with real orders and good reviews. Prices go from $1.99 to $14.63, the average rating is 4.7 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%Tuya Zigbee Temperature Humidity Moisture Detector Smart Soil Tester$5.78 $17.14★ 4.5 · 10k soldView on AliExpress → - 2
-66%2 Pack Tuya Smart WiFi Smoke Detector With Real-Time APP Alerts$14.63 $42.49★ 4.9 · 10k soldView on AliExpress → - 3
-66%1pc Motion Sensor Night Light - Wireless LED Detector Lamp for$1.99 $5.90★ 4.9 · 197.1k soldView on AliExpress → - 4
-63%Tuya Zigbee WiFi Human Presence Sensor MmWave Radar Detector With$8.10 $21.80★ 4.6 · 5k soldView on AliExpress → - 5
-63%1pc Motion Sensor Night Light - Wireless LED Detector Lamp for$2.84 $7.61★ 4.5 · 181.9k soldView on AliExpress → - 6
-63%Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm$5.36 $14.43★ 4.7 · 4k soldView on AliExpress → - 7
-60%Tuya 2 in 1 Zigbee Mini PIR Motion Detector + Bright Lux Light$6.20 $15.54★ 4.5 · 5k soldView on AliExpress → - 8
-58%Zigbee 24G Mmwave Radar Presence Sensor Human Detector Motion/Static$3.68 $8.74★ 4.9 · 10k soldView on AliExpress → - 9
-58%Tuya Smart WiFi Smoke Sensor Fire Protection Smoke Detector 85dB$8.30 $19.79★ 4.9 · 10k soldView on AliExpress → - 10
-58%Zigbee Work with Tuya PIR Motion Sensor Infrared Detector Mini Smart$2.84 $6.80★ 4.9 · 5k soldView on AliExpress → - 11
-58%MUFASHA Non-Contact Voltage Detector Electrical Pen AC Voltage Tester$4.94 $11.80★ 4.7 · 10k soldView on AliExpress → - 12
-57%Zigbee Temperature Humidity Moisture Detector Smart Soil Tester$5.78 $13.39★ 4.9 · 5k soldView on AliExpress → - 13-57%Tuya Zigbee Water Sensor Flood Leak Detector Water Linkage App Alarm$4.10
$9.50★ 4.9 · 10k soldView on AliExpress → - 14
-53%Tuya ZigBee 3.0 Leakage Alarm Detector Water Leak Sensor Overflow$6.78 $14.40★ 4.6 · 4k soldView on AliExpress → - 15
-20%2 in 1 Tuya Zigbee Rain Sensor with Light Detector IPX4 Outdoor$8.44 $10.54★ 4.6 · 5k 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.