According to my DB the lowest price is $11.99 for ANENG M119 Digital Multimeter (in Banggood). Just check coupons out (with price alert and history). What is the best price?
Latest coupon code price check (UTC time):
ANENG M119 Portable 6000 Counts Digital Multimeter Avometer Transistor Capacitor Tester
Banggood ($11.99)
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood. The question is – is it a good price? This price is higher than average price ($10.59) for this item.
Link: Banggood product page
Price: $11.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGM1TOOLS88, BG20236Tool, BGTOOS729
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
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
Here is price history (for all/most countries) for ANENG M119 Digital Multimeter.
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)).