Adjust your home's relative humidity (RH) conveniently and simply with the turn of a dial Precise Humidity Adjustment: Manually adjust your home's humidity levels with digital control that matches indoor humidity to outdoor temperatures. This feature ensures your living environment remains comfortable and balanced throughout the year. Moisture Control Prevention: Maximizes healthy humidity levels in the 40-60% RH range, which has been shown to reduce the incidence of respiratory infections and symptoms associated with allergies and asthma by minimizing the formation of bacteria, viruses, fungi, and dust mites. Helps protect items in your home from damage due to humidity changes or dry conditions. Designed for Low Voltage Use: Specifically crafted for 24VAC operation, this humidistat efficiently manages your humidification equipment without requiring high power consumption, ensuring energy-efficient operation and compatibility with most low voltage systems. Versatile Installation Options: Choose between two mounting options – duct mount near your HVAC unit or wall mount in your living space – for greater ease and convenience when adjusting relative humidity levels. Color: White Material: Plastic Package Contents: 1 x 4655 Manual Digital Control Humidistat 1 set x Installation parts Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.