$24.99 – 3in1 Electric Field Magnetic RF Radiation Detector (Banggood, Aliexpress: 3in1 Multifunctional Electric Field Magnetic Field RF Radiation Detector Handheld Electromagnetic Radiation Tester EMF Meter Portable Radio Frequency Detect Meter – white (the best price with coupon)).
I have checked all old coupons and price is $24.99 for 3in1 Electric Field Magnetic RF Radiation Detector (in Banggood). Price history, coupons and price alert are available on this page. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($24.99)
Banggood warehouse is located in China. Coupons for 3in1 Electric Field Magnetic RF Radiation Detector? Nope, there’re no coupons in Banggood. I think you want to know if the price is good. This price is higher than average price ($24.59) for this item.
Link: Banggood product page
Price: $24.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for 3in1 Electric Field Magnetic RF Radiation Detector. The lowest price was: $19.99.
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)).