This wi-fi-based camera system can withstand the rain, delivers HD video from two AA batteries for two years, and keeps you updated via a smartphone app.
Latest from Sandra Vogel
As well as temperature and humidity, Foobot tracks things like particulate matter and volatile organic compounds, building up a detailed picture of indoor air quality.
Lenovo's take on Google's Home Hub comes in 8-inch and 10-inch versions, includes a camera with a privacy cover, and supports landscape or portrait orientation.
This smart device measures humidity, noise, temperature and carbon dioxide, delivering common-sense advice via a smartphone app.
Heart rate monitoring and notifications make this stylish smartwatch more capable, but there are still some accuracy and usability issues.