Updated: 12-01-2026.
EACHEN ST-DC4 WiFi 4-way Relay Module Inching Momentary/Self-Locking/Interlock Switch Module Works with Amazon Alexa – Wifi+RF433
Banggood warehouse: China.
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price |
|---|---|---|
 |
AC/DC Power ESP8266 WiFi 4-way Relay Module ESP-12F 4 Channel Development Board | $1.54 |
Click here to search by yourself.
Price history and price alert
Do you need price history chart (for all/most countries) for EACHEN ST-DC4 WiFi 4-way Relay Module? There we go. The lowest price was: $15.59.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).