You can get G51 5 Inch 1080P HD IPS Endoscope Camera 3m with 3 Lens for $61.99 with coupon (from Banggood). Go down and check coupons out. Remember to check price history if it is available. Best price?
G51 5 Inch 1080P HD IPS Screen Handheld Industrial Endoscope Camera Pipe Sewer Inspection Borescope IP67 Waterproof Dual Lens – Three Lens 3M
Latest coupon and price update (UTC):
Banggood ($61.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Well, is it a good price anyway? Pretty sweet, this is the lowest price I have ever noted for this product!
Link: Banggood product page
Price: $61.99
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGNEWYEAR8, BGSPRING8OFF, BGHONEYSP, BGESJY8, BGALL8
(there’s a little possibility that old coupon will 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
Here is price history (for all/most countries) for G51 5 Inch 1080P HD IPS Endoscope Camera 3m with 3 Lens.
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)).