Latest update shows that ANENG B14 Voltage Tester Pen 2pcs costs $5.49 (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
ANENG B14 Intelligent Voltage Tester Pen 24/70-250V Induction Power Detector Pen Electrical Screwdriver Indicator Circuit Tester – 2 PCS
Latest coupon and price update (UTC):
Banggood ($5.49)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. You probably want to know if this is a good price. This price is higher than average price ($4.99) for this item.
Link: Banggood product page
Price: $5.49
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGM1TOOLS88, BGTOOS729
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
ANENG B14 24-250V Tester Electric Induced Electric Screwdriver Probe With Indicator Light Sound and Light Alarm Test Pen | $2.49 | – |
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for ANENG B14 Voltage Tester Pen 2pcs.
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)).