79GHz Millimeter Wave Radar Module Non-contact Liquid Level Sensor Water Tank Distance Detector High-precision HLK-LD7901B 7901C
$16.20
Today it costs $16.20 on AliExpress. Since Oct 23, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for less than a day; confirming a drop takes at least 3 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$16.20
We started tracking this price on Oct 23. The chart takes shape over the days: we only draw prices we observed.
| Store | Shenzhen Hi-Link Electronic Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Consumer Electronics › Smart Electronics |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/23/2026, 7:53:09 AM UTC |