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We are using this in a classroom, it was easy to setup and is easy to read. With COVID being a huge concern the Laser Egg + Chemical helps us keep a watch on the partical count in the classroom and when the number gets to high we simply open a window or door for some fresh air.

We bought 9 devices for our school and we are very happy about the devices as they keep our children safer. If the PM2.5 go up, we simply open the windows and it drops down quickly. We know that COVID has been shown to travel on other particles, so tracking the PM2.5 was crucial.

Really good service.

Laser Egg was easy to set up and works great. BedBreeZzz advised when I ordered the Laser Egg shipment from the manufacturer would delay my receiving it and kept me informed as to its receipt and shipping date to me. Great customer service.

This little device is wonderful! If you care about the air you breathe or are just curious, you will find this device to be a valuable health monitor. Plus, it has an eight hour battery, so it can be portable to test the air wherever, Room to room or place to place, inside or outside. Would definitely benefit those with COPD or other respiratory issues.

Took a couple of tries before connecting to the internet but these little devices are great. You can clearly see how fast they react when you blow on them! I can now sleep better knowing that my little girl is sleeping in a low CO2 level room!

I’ve had some rudimentary devices to measure pollutants for about the last five years, but they didn’t give me much helpful information. I recently purchased to Laser Eggs + and the difference is remarkable. When we turn on our gas range in the kitchen, the Laser Egg + immediately shows an increase in VOCs. I mean immediately! It gives me a lot of confidence that I now know exactly how my inside air is behaving, and it helps me modify my routines to keep my family safer. These devices are well honed measurement machines. I could not be happier with them. Nicholas J.

In Washington State we have had serious wildfire smoke problems this summer and fall. My egg has been a life saver with identifying air quality in order to plan my outdoor exposure. I am very satisfied!

The CO2 reading was very high and not accurate. I have tested it in many different locations (home, outside, work) and it gave the same high range everywhere. Need to read more on it, might be my house that has bad air. Still returning to test with an other

Sensors seem accurate and tells us about low CO2 when we sleep with doors closed. When the windows open up, they’re back to normal levels.

Less 1 Star because when it’s added to Homekit, Homekit says the egg has a firmware update but the app says firmware is up to date.

Humidity and temp sensors work well too, not too sure about PM2.5 but it’s one of the few ones to feature this.

I love the product...it's accurate and informative. I bought it when wildfires created days of smoke in my area. It validated that my air conditioning filter was taking most of the pollutants out of the indoor air. A bit challenging to pair, but finally figured it out...

Setup was pretty easy, just make sure you're connected to a 2.4ghz wifi network.

The device itself looks decent, and fits in well with most home furnishings. Honestly, you probably won't notice it too much until you look for it, which is good - it's non-obtrusive.

I live in a pretty clean air city, and the sensor seems to indicate this quite accurately. Would be curious how it works in somewhere like Beijing or Shanghai. It's a well-designed device that does exactly what it advertises.

Value for money product !

Given the PM2.5 situation in Thailand, this is a godsend.

I took it around with me one day and discovered exactly how different the quality of air is indoor and outdoor.
The reading inside my own house with open windows was 35.
Walking beside the road, it skyrocketed to 80.
In my air-conditioned office, the egg indicated 8 (see photo).

Now I now where I should wear a face mask and where I can just relax and take a deep breath of clean air.

Laser Egg itself is quite sleek, but unfortunately(or fortunately if you have an extra adapter sitting around and do not want to contribute to more waste) does not come with an adapter, but it does come with a USB cord. The fact that it has a battery is quite nice compared to other air quality monitors. Keep in mind this model only measures temperature, humidity, and PM2.5 but NOT CO2 like other similar air quality monitors.

App Setup: Was relatively easy, but they pretty much require your phone location to be on for the app to work. This was a bottleneck that I had to resolve with support, and as I use the app I continue to notice this as well.

App Usage: the app sees to be kind of finicky, as sometimes it seems like it requires me to connect to the same wifi(which kind of loses the point of an app). Currently, it gives me the last updated time of my current time, but also says "NO DATA"

Measurements: I haven't had a chance to compare to another air quality monitor, but it does seem to rise properly when I am cooking.

Quite good !