$24.99 – Instant Hot Water Tap Digital Display Instant Electric Water Heater Kitchen Faucet Adapter Fast Heating Digital Display Bathroom Accessories – White.
You can get Instant Hot Water Tap Heater for $24.99 with coupon (from Banggood). You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($24.99)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. But wait a sec… Is it a good price? Hmmm, price is higher than average (which is $22.59 right now), so better set price alert down below…
Link: Banggood product page
Price: $24.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG271907, BG859035
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
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
Price history (for all/most countries) for Instant Hot Water Tap Heater is here. The lowest price was: $20.99.
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)).