Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi ZAJIA Automatic Water Saver Tap International (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. This is new product in my database, so I don’t know if this price is good. We have found one coupon for this product!
Link: Banggood product page
Coupon (15.99 USD): BGcded3b
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGzjiv, Faucet12, BGzji15, aff7off, BG2646, BG4263, BG3088, BGsmartda, e3b176, GBRMN8464, BG4310, BG4860, BG7960, BGAFF10OFF, BGSM63, bGhOnEy10, BGSD4263, BGYJ001, BGFaucet13, BGMY518, BGFH263, BGBR263, BGRXIAODA, BGCZ263, BG18756, BG11518, BGTapsmartda1, 13f142, BGCuponation10, BGHONEY2110, BANGGOODSD, BG79c2c3, BGe717e6, BGHUPG484
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi ZAJIA Automatic Water Saver Tap International (-3 USD)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 14.99 USD.
You can set price alert (for Banggood).