I have just checked coupons. The lowest price I could get is 8.49 USD for ANENG VD902 AC Voltage (in Banggood). Check coupons or create price alert down below. Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Banggood (8.49 USD)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. Well, is it a good price anyway? Well, this price is higher than average price (6.49 USD)
Link: Banggood product page
Price: 8.49 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Aliexpress
Click here… to search for ANENG VD902 AC Voltage Tester Pen on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for ANENG VD902 AC Voltage Tester Pen.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).