Dual display of indoor temperature and relative humidity. Indicates ideal indoor personal and home health conditions.

• Coloured Comfort Scale indicates different levels of comfort: Too Dry, Comfort Zone, Too Wet
• Records maximum and minimum temperature and humidity
• Temperature Range: -58 to 158°F (-50 to 70°C)
• °F/°C switchable
• Humidity Range: 20 to 90% RH
• Operates on a single 1.5V "AA" battery