Vlifree EMF Meter 5HZ-3.5G: Detect Electromagnetic Fields with Accuracy and Precision

startrooper: I put the battery that comes with the unit in, but it failed to power up other than a temporary blip. Tried putting it back in a few times, but still nothing. Put a new battery in, worked fine. So, make sure you have a spare 9V battery if you purchase this item. It's actually very good for the price.

United States on Sep 27, 2023

Darlene M Wood: It is easy to use right out of the box. You'll get some surprising results. Can't beat the price.

United States on Sep 09, 2023

JacksonJackson: There were other reviewers who reported that theirs did not have temperature readings but mine did. I can even toggle between Celsius or Fahrenheit.

From looking more closely at the other reviews, it appears that there were 2 models: the one that I got has the straight antenna and this one has the temp probe. The other one has a round ball antenna and that one does *not* have temp.

Also, the screen has the capability of backlit which also toggles on a LED flashlight on the back side.

Overall, seems to work though sensitivity and accuracy is questionable as it did not detect any EMF on my iPhone X when I scanned it like in the ad’s video. It did however detect the microwave.

Build quality is excellent which was surprising for being priced at under $20 at the time of this writing.

I don’t know the accuracy but what I can say is that when I turn the microwave on and move this device close to it, the meter goes off the charts with an audible alarm and a flashing LED light on the antenna (goes from green > yellow > red as it is moved closer to the microwave)

United States on Aug 27, 2023

Jdamazon: Build is solid, easy to use. Battery that was included was barely hitting 7 volts, so wouldn't work. You'll probably need a fresh 9V. Wait until it goes on sale for best pricing.

United States on Aug 11, 2023

Kevin Webster: Update:

I nearly upped my original 4 star rating to 5 stars, as I notice that the item title and description have been corrected to accurately detail what you're getting (or at least not suggest you are getting something that you're not). However, I do see a couple errors still present in the product info: One of the pics shows "Temperature" as a function, and the claim is still being made in the additional details below that the features are adjustable, which is not the case.

Original Review:

This Vlifree Model EMF01 seems to be a high quality "2-IN-1" unit that would easily earn five stars, however I deducted 1 star because the manufacturer supplied pics and description are apparently for a different "3-IN-1" model that measures not only EMF and EF, but also ambient temperature. (That said, and it should be noted, there are a couple pics where you can see that the model number is the same "EMF01," so that makes the erroneous description even more of a puzzle...) There is also no way to "...adjust sound alarms, lights, and even the safe value." as stated. The Sound Alarm is either active or not, Backlight is on or off, and Safe Value is a fixed preset....

United States on Sep 11, 2022