Fangrui Product Details Versatile Application: This High-precision Quantum Par Meter Is Indispensable For Measuring Led Grow Lights, Ensuring Optimal Light Levels For Plants In Agriculture, Aquaculture, And Garden Gardening. High Accuracy And Efficiency: Offering Precise Measurements From 0 To 4,000 Mol/ms Within The Spectral Range Of 400 Nm To 700 Nm, This Meter Is Essential For Professionals And Enthusiasts Seeking To Optimize Their Grow Light Setup For Superior Plant Performance. Portable And User-friendly: Designed For Mobility, This Compact, Handheld Meter Can Be Easily Ported Between Different Locations, Making It A Practical Choice For On-the-go Measurements In Various Settings, From Greenhouses To Indoor Gardens. Comprehensive Accessories: Equipped With A Remote Sensor And Two Types Of Connection Cables (a Short-coiled And A 12-foot Long Straight Cable), This Meter Provides Flexibility And Convenience For Measuring Light Intensity At Different Spots And Distances. Advanced Data Storage: Capable Of Storing Up To 99 H