ATM you can buy VISHRT 7.9mm Dual Lens 4.5-inch Industrial Borescope 3.5m for $46.99 (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is best price?
Camera diameter: 7.9mm, Cable Length: 3.5M/5M/10M (Optional), Video resolution: 1280*720, Support camera resolution: 1920*1080, LED light: 6+1 LEDs, Side best focal length: 2cm-5cm, Port: type-C charging port / TF memory card slot, Pixel camera: 2.0MP, Photo resolution: 1920*1080, Battery capacity: 3000mAh, Screen resolution: 854*480, Display size: 4.5-inch IPS, Model: T22, Operating temperature: 0°C – 45°C, Front best focal length: 5cm-8cm
Latest coupon and price update (UTC):
Banggood ($46.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Isn’t it too expensive? According to my database, the average price is $53.16 and current price is $46.99, so it’s probably a good price!
Link: Banggood product page
Price: $46.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGCL88, BGGines, BGc42557, BGTOOS729
(you can check these old coupons out, but these probably won’t work)
Aliexpress
I could not find it on Aliexpress. 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 VISHRT 7.9mm Dual Lens 4.5-inch Industrial Borescope 3.5m 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)).