Feel confident that your child’s room always has the ideal humidity level and help keep their throat and nasal passages hydrated with the Safety 1st Smart Humidifier. Top-fill tank with one gallon (3.8L) capacity can run uninterrupted for up to 24 hours. Touch display with humidity and temperature indicator allows you to monitor room temperature and humidity level. This humidifier uses the Safety 1st Connected App which is the only app that empowers parents to create the optimal environment, set the mood, monitor, and comfort their child—anytime, from anywhere. This easy-to-use, family friendly app seamlessly controls and manages every device in the Connected Suite giving parents the confidence and peace of mind they need to stay connected to their child even when they’re apart.