$18.99 – CZDANG High-Precision Digital Multimeter USB Rechargeable Large LCD Display Accurate Measurements Ideal for Electrical Troubleshooting and Maintenance – Black.
$18.99 – that is current price with coupon for CZDANG High-Precision Digital Multimeter (in Banggood). Price history, coupons and price alert are available on this page. What is best price?
Latest coupon and price update (UTC):
Banggood ($18.99)
Banggood warehouse is located in China. Low/high price? Looks like this is great price. I didn’t track lower than that in CouponsFromChina database ever. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: $19.99
1. ($18.99): BGMAI666
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
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 CZDANG High-Precision Digital Multimeter. The lowest price was: $18.99.
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)).