5PCS/LOT 9042 Active One Piece Buzzer 9*4.2MM Slim DC Electromagnetic Buzzer 3V 5V 12V Eco-friendly high
Quick answer
Is $2.57 a good price for 5PCS/LOT 9042 Active One Piece Buzzer 9*4.2MM Slim DC…?
It is the usual price, not a deal: $2.57 is in line with the typical price of $2.57 that DipScout measured over the last 7 days. Tracked since Oct 23, 2026, the price hasn't changed.
$2.57
Today it costs $2.57 on AliExpress. Since Oct 23, 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 7 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$2.57
We started tracking this price on Oct 23. The chart takes shape over the days: we only draw prices we observed.
| Store | KY WIN ROBOT Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Passive Components |
| Recorded readings | 1 |
| First seen | |
| Last reading |