Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Working Water Pressure 0.05-0.8MPa, Charging Method USB, Protection Grade IPX6, Sensing Range Side Sensor 0-5cm/Bottom Sensor 0-10cm, Water Efficiency First Level, Standby Energy Consumption ≤0.2mW, Size 60x34x49mm
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($27.92): BANGGOODSD
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGzjiv, Faucet12, BGzji15, aff7off, BG2646, BG4263, BG3088, BGsmartda, e3b176, GBRMN8464, BG4310, BG4860, BG7960, BGAFF10OFF, BGSM63, bGhOnEy10, BGSD4263, BGYJ001, BGFaucet13, BGMY518, BGFH263, BGBR263, BGRXIAODA, BGCZ263, BG18756, BG11518, BGTapsmartda1, 13f142, BGCuponation10, BGHONEY2110, BG79c2c3, BGe717e6, BGcded3b, BGHUPG484
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi ZAJIA Automatic Water Saver Tap International [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi ZAJIA Automatic Water Saver Tap International? There we go.
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)).