Essick Air has built in a digital readout with this unit. The adjustable humidistat allows you to control the humidity level within your home with ease- making sure your family is comfortable. An auto shutoff feature ensures your humidifier will not run when out of water- causing additional dryness in the air. This unit comes equipped with water refill and check filter indicators to keep the unit running as efficiently as possible.BenefitsPrevents Flu and AllergiesNeutralizes Static ElectricityReduces Pet Dander and DiscomfortProtects Fine Furniture and Wood FloorsRelieves Dry Skin &Scratchy ThroatsReduces Heating CostsFeaturesRefill Indicator for Worry Free MaintenanceReplaceable Wick to Ensure Clean Water and Humidified Air9 Fan Speeds Giving You More Options for Control of the Humidity in Your HomeEasily Removable Water Bottles to Fill at your Sink or with a HoseAuto Shut-Off Function Activates When the Humidity Level is Achieved or when the Tank Reaches EmptyBuilt in Caster Wheels for Easy Mobility from Room to RoomAdjustable Humidistat to Help Maintain Humidity