LaCrosse WT-137U Indoor Comfort Level Station at $12.95, provides temperature and humidity for indoor use. The WT-137U features a comfort level with five different humidity levels keeping you comfortable and allowing you to manage the humidity levels in your home.

• Monitors indoor temperature: 32 degrees Fahrenheit to 122 degrees Fahrenheit (0 degrees Celsius to 50 degrees Celsius)
• Monitors indoor humidity: 1% to 99% (%RH)
• Records MIN/MAX humidity and temperature
• 5 level humidity bar from dry to wet:
  • Dry: below 34% RH
  • Comfort/Dry: 35-40% RH
  • Comfort/Ideal: 41-55% RH
  • Comfort/Wet: 56-64% RH
  • Wet: above 65% RH
• Low battery indicator
• Wall Hanging or Free Standing
• Powered by: 1 AAA Alkaline Battery (not included)
• Up to 24 month battery life
• 1 year manufacturer's warranty
• User Manual