BestAir HG050-PDQ-4 Humidistat Humidity Monitor/Hygrometer, White

BestAir's portable hygrometer and thermometer helps you keep tabs on your home's humidity and temperature levels. The dial face shows a coloured area indicating the optimal comfort humidity range, so you'll know at a glance if your humidifier needs to be adjusted. No batteries required - simply place it in the room you want to monitor and read the dial to maintain the ideal indoor environment for comfort all season long.