Quantum Sun Quantum PAR Meter

This Quantum Sun PAR meter is a must-have for anyone serious about their indoor garden. It measures Photosynthetically Active Radiation in the 400 to 700nm range, so you know exactly how much usable light your plants are actually getting. The handheld unit has a clear digital display and comes with a remote sensor on a coiled cord to make reaching into tight canopy spaces easy. It's in the original box and ready to help you dial in your lighting setup.