When I was updating this page, then coupon price was 18.99 USD for X3 Clamp (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest coupon code price check (UTC time):
Banggood (18.99 USD)
Banggood warehouse is located in China. I have no active coupons for you right now. You probably want to know if this is a good price. It looks like it’s a good price (lower than average (19.93 USD)).
Link: Banggood product page
Price: 18.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGX3DDM, AFfbG10, 0e7f33, FBCOUPON1, BGherra, BGGines, BGM1TOOLS88, BGTOOS729
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for MUSTOOL X3 Clamp Multimeter on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for MUSTOOL X3 Clamp Multimeter is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).