6 best radar under $20.00
We picked 6 radar from AliExpress with real orders and good reviews. Prices go from $1.96 to $10.47, the average rating is 4.8 stars and the most popular one has 50k orders. Every product opens on AliExpress, where you pay with buyer protection.
Updated: 2026-11
- 1
-55%Tuya Zigbee 10G MmWave Radar Motion Sensor Smart Human Body Sensor with Illuminance Temper$4.96 $11.09★ 4.9 · 50k soldView on AliExpress → - 2
-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 → - 3
-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 → - 4
-58%6pcs Radar Motion Sensor Light Bulb 220V 110V E27 LED Lamp Smart Infrared Bulb 6W 9W 12W$8.33 $19.71★ 4.9 · 4k soldView on AliExpress → - 5
-55%City Tech Building Blocks: Computer Control Center with Audio Radar Keyboard Model$1.96 $4.37★ 4.9 · 385 soldView on AliExpress → - 6
-23%Risingon Car Parktronic LED Parking Sensor Kit Radar Display Backup Monitor Detector Syste$10.47 $13.67★ 4.7 · 305 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.