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 and viruses, fungi, and dust - keeping items in your home susceptible to damage from humidity changes or dry conditions more comfortable 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: Two mounting options choose a duct mount near your HVAC unit, or a wall mount in your living space for greater ease and convenience when you need to adjust relative humidity levels in your home Colour:White Material:plastic Package Contents: 1 x 4655 Manual Digital Control Humidistat 1 set x installation parts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.