Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (18.69 USD): BGe8ed91
Coupon (20.01 USD): Cuponation9
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGHSWEB1, BGCuponation10, 13f142, BGHONEY2110, BGe8d848, BANGGOODSD, 6GSGIT, BGJUNEGSG9, 9OFFSUMMER
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for HXSJ Wired Computer Webcam 1080P 5MP is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).