I am monitoring price for 7 Inch and it is for 128.69 USD now (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest price update (UTC time):
Banggood (128.69 USD)
Banggood warehouse is located in Hong Kong. Well, is it a good price anyway? Awesome! This price is the best in CouponsFromChina database! Well, there is one coupon available right now.
Link: Banggood product page
Price without coupon: 142.99 USD
Coupon (128.69 USD): BGAMMT03
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
128.69 USD – This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 00c906, BG1efeb0, MVC8SPRING, BGNEWYEAR8
(probably won’t work, but you can try them out)
Aliexpress
Click here… to search for K7 7 Inch 4G Android 8.1 FHD 1080P 4G Car DVR Dash Cam on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for K7 7 Inch 4G Android 8.1 FHD 1080P 4G Car DVR Dash Cam is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).