2-Pack Mini Digital Hygrometer Gauge Indoor Thermometer, LCD Monitor Temperature Outdoor Humidity Meter for Humidors Greenhouse Jars Incubators Guitar Case, Display Fahrenheit (℉)

Was smaller than expected but thats my fault for not paying attention to pics and clear specs. Still easy to read despite being less than 2x2 inches! Works well, seems accurate! If just need something to tell temp in an area its a very cost effective option and it displays accurate humidity also.

I velcroed this inside my guitar case so I can monitor the humidity all winter long. It's been great and helped me keep my guitar properly stored all winter long.

As other reviews have said, these are not perfect for accuracy. Right out of the box they read different measurements by a couple percent. Not a big deal if you are just trying to get close in your humidor. The handy 2-pack allowed for one in the main humidor and the second in a travel case. They are inexpensive, and when they stop working I'll pick up another 2.

I'm using this product to monitor temperature/humidity for indoor peppers I'm starting mid-winter for spring planting. They are small and fit in the corner of 2 cells, so it fits in dome quite well. I use another on the outside of dome to monitor air temperature. Compared to another thermometer, its accurate, so it serves its purpose. It works well for my needs.

One stopped working after a while. The other one is still fine change battery in the one, but would never come back on.

I am going to buy more.. I used these in a 3D printer filament storage and dispenser box I built as some 3D supplies will absorb water from the air and make the prints with lots of flaws.. these work great and compare to each other exactly as well as a calibrated instrument.. I can't believe how inexpensive these are.. Dont guess any more just get them and thank to the supplier from Amazon.. quickly received order and comes with 2 spare batteries... That was a nice touch.

I ordered a 2 pack and only one of them worked. There are actual instructions included from the seller telling customers to contact the seller directly rather than get frustrated by products that don't function. Initially I thought that was helpful but the instructions are impossible to follow - there is no option to contact the seller. I'm not sure if I've been scammed or if this is just human error but it's suspicious. First, the seller includes instructions about broken devices then the instructions are fake. If the seller contacts me I'll update my rating. If not, beware - if you find returns as much of a hassle as I do, this is not a seller to waste time on.

i have one in two different humidifiers. I am not sure how accurate they really are but it does give yo a base line to watch.. They are easy to read and i like have he temp as well. seem to be good product for price and i was thinking of getting another for another unit i keep cigars in

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Not good quality