Just check coupons out (with price alert and history). What is best price?
Waterproof Level IPX4, Voltage 5V, Power Supply Charged by USB Cable, Control Method Automatic, Water Tank Capacity 320ML, Charging Time 2H, Product Size 72x 190mm, Usage Time Can be Used about 90 Days with Full Charge, Product Name Automatic Soap Dispenser
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaowei X5s 280ml Wall-mounted USB Automatic Soap Dispenser Induction Hand Washer LED Temperature Display | $36.90 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGSOAPDISP42, BgcLuBofErtA10, BGSOAPBF42, BGAFF10OFF, BGCuponation10, BGSOPACN12, 13f142, BGAP0610, BG10OFFAFF, BGIS2606, BGwhielabel, BG10OFFAFF1, BGAU1202, BANGGOODSD, 6GSGIT
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Xiaowei Automatic Soap Dispenser 320ml.
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)).