$45.99 – AT-M40R 5K 30FPS Action Camera 4K 60FPS Dual Screen 170° Wide Angle 30M Waterproof Sport Camera with Remote Control Bicycle Diving Cam.
You can get AT-M40R 5K 30FPS Action Camera 4K 60FPS for $45.99 using coupon code (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon code price check (UTC time):
Banggood ($45.99)
Banggood warehouse is located in China. Is it good price? From what I can see this price is higher than average price ($45.42). Well, there is one coupon available right now.
Link: Banggood product page
Price without coupon: $49.99
1. ($45.99): BGRAPEUM40R
put item in your cart and apply coupon code there 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): BG6ecb9f, BGEUATM40R, BGRSPEUM40R
(there’s a little possibility that old coupon will work)
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
Here is price history (for all/most countries) for AT-M40R 5K 30FPS Action Camera 4K 60FPS. The lowest price was: $43.99.
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)).