Latest update shows that Borescope Endoscope Inspection Camera costs $18.99 (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Borescope Endoscope Inspection Camera /Handheld IP67 Waterproof Sewer Endoscope Camera – IPS HD Screen Borescope Portable Snake Camera
Latest price update (UTC time):
Banggood ($18.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $18.52)
Link: Banggood product page
Price: $18.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGTOOS729, BG59ac4f, BG2e0b91, BGcdbee5, BGf7b32a, BG3c4a74, BG3d21ca, BG4ce1db, BG3cf869
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Borescope Endoscope Inspection Camera? There we go.
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)).