When I was updating this page, then coupon price was $9.99 for FNIRSI FD10 Car OBD2 Scanner (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
FNIRSI FD10 Car OBD2 Scanner Code Reader Clear Error OBD Diagnostic Tool IOS Android BluetoothV5.1 Check Engine Light Car Repair
Latest coupon code price check (UTC time):
Banggood ($9.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Low/high price? Well, this price is higher than average price ($6.49)
Link: Banggood product page
Price: $9.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGM1TOOLS88, BG325bce
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
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
Do you need price history chart (for all/most countries) for FNIRSI FD10 Car OBD2 Scanner? There we go.
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)).