$12.99 – ANENG M469A Smart Network Cable Tester RJ45 RJ11 LAN Cable Tester Finder Wire Tracker Receiver Networking Tool Network Repair – Black.
You can get ANENG M469A Network Cable Tester for $12.99 with coupon (from Banggood). You can create price alert here, copy coupons and view price history. Best price?
Latest price update (UTC time):
Banggood ($12.99)
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment. Price? Well, this price is higher than average price ($11.74)
Link: Banggood product page
Price: $12.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG1fc9e4, BGEUMEGA6218
(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
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 ANENG M469A Network Cable Tester. The lowest price was: $9.99.
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)).