Infrared Mirror Reflective Photoelectric Sensor E3JK-R4M1 4M Sensing Distance Proximity Switch DC12-24V/AC90-250V/ACDC General
Quick answer
Is $15.55 a good price for Infrared Mirror Reflective Photoelectric Sensor E3JK-R4M1 4M Sensing…?
It is the usual price, not a deal: $15.55 is in line with the typical price of $15.55 that DipScout measured over the last 14 days. It is the lowest in 21 days, but it has held this price since Nov 2, 2026.
$15.55
Today it costs $15.55 on AliExpress. Since Oct 23, 2026, when we started tracking it, it ranged from $15.55 to $16.95. It's the lowest price in 21 days, but it has been at this value since Nov 2, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 14 days. The store advertises "was $19.94", 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
Last reading$15.55on Nov 7
Lowest$15.55Nov 2 to Nov 7
Highest$16.95Oct 23 to Nov 2
Tracked since Oct 23 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 2, 20:12 UTC | $15.55 | −8% |
| Oct 23, 13:37 UTC | $16.95 | start |
| Store | Fonzon Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Home Improvement › Family Intelligence System |
| Sold | 36 |
| Recorded readings | 2 |
| First seen | |
| Last reading |