Don’t tell your partner, but it’s only $39.99 (thanks to a coupon at Banggood). Updated: 14-12-2025.
FNIRSI-GC01 Geiger Counter Nuclear Radiation Tester Professional Marble Radiation Ionization Personal Dose Alarm Radioactive Tester
Banggood warehouse: China.
Price: $39.99
Additional Banggood coupons:
1. First page
2. Second page
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for FNIRSI-GC01 Geiger Counter? There we go. The lowest price was: $34.99.
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)).