KWS-V20 USB is for 12.99 USD (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is best price?
Latest coupon and price update (UTC):
Banggood (12.99 USD)
Banggood warehouse is located in China. I have no active coupons for you right now. Isn’t it too expensive? Well, this price is higher than average price (4.99 USD)
Link: Banggood product page
Price: 12.99 USD
Old coupons (from the oldest to the newest): BGGines, BGTOOS729
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for KWS-V20 USB Current Voltage Capacity Tester on Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for KWS-V20 USB Current Voltage Capacity Tester? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).