When I was updating this page, then coupon price was 36.74 USD for Current Meter Tester (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood (36.74 USD)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. What about the price? Current price is the lowest in history (according to CouponsFromChina database)!
Link: Banggood product page
Price: 36.74 USD
36.74 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): Cuponation9, BGc169f4, BGGutscheine, BG00c906, BG8OFFCOUPON, BG72a7fe, TTBLACK5, BGSaleFeb8, BG589b2e, BGAUGUST8, BG8FORMULAMX
(these coupons are old, so probably won’t work)
Aliexpress
Click here… to search for FNIRSI-FNB5B USB QC/PD Voltage Current Meter Tester with Bluetooth on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for FNIRSI-FNB5B USB QC/PD Voltage Current Meter Tester with Bluetooth.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).