$6.99 – KWS-2301C Type-C Tester DC 4-30V Voltmeter Amperimetor Voltage Current Meter Ammeter Detector Power Bank Charger Indicator.
I have checked all old coupons and price is $6.99 for KWS-2301C Multi-function Digital Display DC Voltage Ammeter Power Meter (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Latest coupon code price check (UTC time):
Banggood ($6.99)
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood. Isn’t it too expensive? Pretty good price – average ($7.09) is higher than current one!
Link: Banggood product page
Price: $6.99
Additional Banggood coupons: first page and second page
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
1. (2.12.2024, $6.00): BG91cd73
Item: KWS-2301C Multi-function Digital Display DC Voltage Ammeter Power Meter
Countries: Belgium, France, Italy
Old coupons (from the oldest to the newest): BG160f8b, BG94c95c, BGMAI666
(you can check these old coupons out, but these probably won’t work)
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
Price history (for all/most countries) for KWS-2301C Multi-function Digital Display DC Voltage Ammeter Power Meter is here. The lowest price was: $6.37.
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)).