Keep tabs on room temp flucuations with two smart E-Ink hygrometers at under $10 each (33% off)

GoveeLife E-Ink Bluetooth Hygrometer (2-pack) Buy for $20 (Reg. $30) What we love If there are some rooms in your home where temperatures vary and you’d like to be able to quickly tweak vents to balance things out a bit better, hygrometers like this can help. These feature an E-Ink display so they’re easy to read, even in bright rooms. They are smart too, allowing you to view history on your smartphone whenever the need arises.