Monitor indoor humidity and temperature with the best indoor thermometer. See our top tested models to find out which ones ...

battery life is also dependent upon the size of the digital display and whether it is backlit. A small indoor thermometer with no backlight that’s powered by a coin battery may have a similar ...

What if your keychain could tell you the temperature, all while staying battery-free ... like an ATTiny1626 microcontroller, a TMP117 thermometer, and an RF430CL330H NFC IC, NFC_temp cleverly ...

It runs on an included coin cell button battery. I found the large digital display to be the easiest to read of all the thermometers I tested. It also beeps the loudest of the group, which is ...

The ThermoPro Digital Meat Thermometer has ... And don't worry about draining the battery (it takes one AAA — included!); the thermometer automatically shuts down after 10 minutes of inactivity.

While your heater is commonly equipped with a thermometer to help measure the water temp, it usually doesn’t give you exact results as using a specialized one. That is the reason why we recommend ...

Putting candles near your windows is a great way to welcome a dark night. It’s pretty dangerous to use real candles, so you should choose the brightest battery operated window candles that won’t ...

Our digital thermometer reviews are based on our own independent tests. We test harder in the lab so you can choose the right digital thermometer when you shop.

An outdoor thermometer is not just a device with numbers on it. It is now a high-end gadget that measures accurate temperature and humidity. Not only that, but some models can also read hours of ...

A third of the products CR tested had accessible button batteries, which are a choking hazard and can burn body tissue if swallowed or inserted into a nose or an ear.

A battery chainsaw makes light work of yard maintenance tasks, like cutting through fallen trees and trimming branches, without the loud noise level and upkeep of a gas-powered chainsaw.