$12.99 – SONOFF MINI-D Dry WiFi Smart Switch with Matter Dry Contact Output AC/DC Input Compatible Alexa & Google Home for Garage Doors Boilers Low Power DC Motors/Solenoid Valves.
When I was updating this page, then coupon price was $12.99 for SONOFF MINI-D Dry WiFi Smart Switch with Matter Dry Contact (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Banggood ($12.99)
Banggood warehouse is located in China. You probably want to know if this is a good price. Looks like this is great price. I didn’t track lower than that in CouponsFromChina database ever. Only one coupon available!
Link: Banggood product page
Price without coupon: $14.99
1. ($12.99): BG231770
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
This is the best price ever noted in my database!
Old coupons (from the oldest to the newest): BGa1d9f7, BGdb2385
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for SONOFF MINI-D Dry WiFi Smart Switch with Matter Dry Contact. The lowest price was: $12.99.
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)).