Just check coupons out (with price alert and history). Do you want to know what the best price is?
Size 15.6x 17.2x 31.1 cm / 15.6x 17.2x 26.1 cm, Voltage 220V, Hot Water Temperature 30-60℃, Frequency 50Hz, Waterproof Level IPX4, Faucet Adapter Universal Adapter, Color White, Working Water Pressure 0.04-0.06 MPA, Water Intake Method Lower Water Inlet / Side Water Inlet, Type 1: NO Leakage Protection;, Heating Tube Material 304 Stainless Steel, Power 3000W, Installation Method Direct Installation, Anti-shock Type I, Diameter 4 Points of Diameter, Model WF-009, Shell Material ABS-777D, 2: WITH Leakage Protection;, Weight 1000g, Power Cord Length About 1.2 Meter
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
KCASA 12Pcs/Set Nylon Oil Painting Watercolor Gouache Paint Barbecue Brush Home Wall Decor Tool | $12.41 | – |
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 is one great coupon!
Link: Banggood product page
1. ($50.99): 13f142
coupon code has to be applied in shop’s 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): 3ac806, 502C6B, PICODICOM, aff7off, bgssaff9, BGaDmITAd, BGBFAFF2019, BGKSA09, BGCITYADS2019, BGKSF9, BGKSF009, 2020CNY, BGVDay10%off, BGHOMEAPP, BGKCASAFB, BGTT10, bGhOnEy10, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEAPP13, BGHOMEA13, BG10OFFAFF, BGwhielabel
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for KCASA WF-009 3000W Water Heating Faucet.
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)).