I have checked all old coupons and price is 18.49 USD for KAIWEETS HT100S Non-Contact Voltage Tester Pen [EU] (in Banggood). It is from EU warehouse.Get coupons, create price alert or check price history out! Do you want to know what the best price is?
Latest coupon and price update (UTC):
Banggood (18.49 USD)
Banggood warehouse is located in Europe 
. I don’t think there is an active coupon right now – at least in my database. Is it expensive? This is new product in my database, so I don’t know if this price is good.
Link: Banggood product page
Price: 18.49 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGRAPHT100S
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
Click here… to search for KAIWEETS HT100S Non-Contact Voltage Tester Pen [EU] on Aliexpress
Here are coupons that you can use.
Price history and price alert
There is only one database record (it was for 16.79 USD), so you can’t see price history chart.
You can set price alert (for Banggood).