Just check coupons out (with price alert and history). You probably want to know what is the best price?
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):
Technical Support: Equipped with touch activation technology, Color Silver/Matte Black/Gold, Flow pattern Shower and Rectification, Main Body Material SUS 304 Stainless Steel, Number of Handles Single Handle, Rotatable Spout 360 ° Rotation Pull Out, Valve Core Material Ceramic, Water Feature Hot & Cold, Product Process: Precision casting; Bulging; Machine plus laser welding; Injection molding, Sensor Activation Smart Touch Activation, Faucet Fit 1 Hole, Installation Type Deck Mount, Name Smart Sensor Pull Out Kitchen Faucet, Powder Source 4 pieces of AA Battery-Powered, Mounting Hole Diameter 52mm
Banggood
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon 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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 7d18f7, BGfaucethardware, BGMixetapssz, BGHONEY2110, BGsmartbuy53, BG8b8d7b, 13f142, BG96246e, BANGGOODSD
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Stainless Steel Kitchen Sink Faucet with Touch Sensor is here.
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)).