This indoor thermometer with humidiguide comes complete with clear, easy to read dials and rotating faces. This modern design makes this unit a great addition to any room in the home.The BIOS Weather product line is the most extensive “Weather Program” on the market. It ranges from the most technically sophisticated consumer devices to reproductions of some of the most historical weather instruments ever designed. The BIOS Weather brand offers a comprehensive line of state of the art weather thermometers and instruments, both analog and digital. The BIOS brand is synonymous with accuracy, reliability, and innovation.