125KHz Black USB Proximity Sensor Smart rfid id Card Reader EM4100,EM4200,EM4305,T5577,or compatible cards/tags no need driver
Quick answer
Is $4.40 a good price for 125KHz Black USB Proximity Sensor Smart rfid id Card Reader…?
It is the usual price, not a deal: $4.40 is in line with the typical price of $4.40 that DipScout measured over the last 8 days. Tracked since Oct 22, 2026, the price hasn't changed.
$4.40
Today it costs $4.40 on AliExpress. Since Oct 22, 2026, when we started tracking it, the price hasn't changed. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 8 days. The store advertises "was $5.00", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$4.40
We started tracking this price on Oct 22. The chart takes shape over the days: we only draw prices we observed.
| Store | EQV Official Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | |
| Last reading |