$15.49 – FNIRSI MT-40 Smart Digital Multimeter True RMS Auto Range 600V High Precision with Backlit LCD Diode Testing Overload Protection – Blue.
According to my DB the lowest price is $15.49 for FNIRSI MT-40 Multimeter (in Banggood). Price history, coupons and price alert are available on this page. What is the best price?
Latest coupon and price update (UTC):
Banggood ($15.49)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Isn’t it too expensive? Good news! This is great price, coz it’s the lowest in CouponsFromChina database!
Link: Banggood product page
Price: $15.49
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): NewYear019
(these coupons are old, so probably won’t 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
Check out price history chart (for all/most countries) for FNIRSI MT-40 Multimeter. The lowest price was: $15.49.
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)).