Shell Material: ABS Plastic, Cable length: 1.1m, Faucet Rotation: 360°, Faucet Material: Stainless steel, Heating Material: Stainless steel, Rated Voltage: 220V; 50Hz, Waterproof: IPX4, Power: 3000W, Size: about 13.0×5.9”(Under Inflow); 9.8×5.9”(Lateral Inflow), Working Pressure: 0.1-0.06MPA.
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
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.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment 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!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG4860, BG6390, bGhOnEy10, BGA888, BGMY518, BG10745, BG11518, BGYJ001, 13f142, BGfaucethardware, BGHONEY2110, BANGGOODSD, 6GSGIT, ADMITAD2212, 2022ACTIESNL
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for 220V 3000W Electric Faucet is here. The lowest price was: $19.99.
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)).