Light, temperature, and humidity levels are important to a plants health. This first-ever 3-in-1 meter helps to take the guess work out of understanding your interior environment so you can better manage plant care in the home.  

• Provides accurate readings for natural light and white LED grow lights 
• Effectively measures the relative humidity and temperature in a room 
• Uses 3 AAA batteries (not included) 
• Good for indoor or outdoor use
• Compact fits in your pocket