The enviracaire® HealthCheck™ Monitor can help you maintain a healthy breathing environment by letting you know when you need to increase or decrease the humidity level in your home. Proper humidity helps people breathe better, sleep better, improves the complexion and helps relieve flu and cold symtoms. The HealthCheck™ Monitor will help you maintain the proper humidity level in order to reduce dry indoor air and prevent dry eyes, nose and throat as well as help reduce allergy and asthma symptoms.