$75.99 – 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.
According to my DB the lowest price is $75.99 for VISHRT 7.9mm Dual Lens 4.5-inch Industrial Borescope 3.5m (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is best price?
Latest coupon and price update (UTC):
Banggood ($75.99)
Banggood warehouse is located in China. Good or bad price? Well, this price is higher than average price ($53.16) There is one coupon right now! Check this out.
Link: Banggood product page
Price without coupon: $79.99
1. ($75.99): BGMAI666
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGCL88, BGGines, BGc42557, BGTOOS729
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. The lowest price was: $44.99.
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)).