Introducing the Treegers Quantum PAR Meter: An advanced tool for precision measurement in horticultural lighting. Designed to optimize plant growth, our Quantum PAR Meter accurately measures Photosynthetically Photon Flux Density (PPFD) level within the 400 to 700 nm range, essential for crop control success. A tactical product choice to add to your growing toolbox. QUANTUM PAR METER TACTICAL ADVANTAGES • Highly accurate Remote quantum sensor for precise readings • User-friendly Operation with simple data storage of up to 99 readings • Perfect For grow rooms, greenhouses,and commercial grow applications • Compatible With modern LED fixtures,high-pressure sodium(HPS) grow lights,and traditional indoor grow light sources • Daily Light Integral Max/Min/AVG Value; DLI(DailyLightIntegral) Specifications Stores up to 99 readingsMax/Min/AVG value DLI ( Daily Light Integral)Remote Sensor with 1.5m Coiled Cord and 3.5m Straight CordMeasurement Range: 0-4000 μmol/m2/secDetection Range: 400 – 700nmPower Requirements: Comes with 2 x AAA batteriesOperating Temperature 32°F to 122°F (0°C to 50°C)Storage Temperature -4°F to 140°F (-20°C to 60°C)Operating & Storage RH 0-95%, non-condensingPPFD Measurement: Repeatability +/-1 μmol/m2/sec ; Measurement Range 0-3999 μmol/m2/secDisplay Resolution: 0.1 μmol/m2/sec (0-999); 1 μmol/m2/sec (1000-3999)Cut-On Wavelength: 400+/-10nmCut-Off Wavelength: 700+/-10nmDimensions: Main Unit: 115 x 60 x 24mm; Sensor Unit: 80 x 45.6 x 26mmWeight: 115g (without batteries and cable)Warranty: 2 YearsOptional Treegers Extension Wand Available Included • 1 x PAR Meter Main Unit • 1 x PAR Meter Sensor Unit • 1 x 1.5 m Coiled Cable • 1 x 3.65 m Straight Cable • 2 x AAA batteries • 1 x User Guide • (Sensor unit includes ¼” screw mount for tripod and selfie stick compatibility)