IP68 Waterproof sensorLarge LCD display with data logging function HOLD FunctionAgriculture and Horticulture: Accurate PAR measurements allow farmers and gardeners to optimize light conditions, ensuring plants receive adequate light for photosynthesis, which is crucial for growth, flowering, and fruiting.Scientific Research: Accurate light measurement is essential in studying natural ecosystems,understanding how changes in light conditions affect plant communities, and monitoring the health of habitats.Aquariums: In aquariums, especially those with live plants or coral reefs, maintaining proper PAR levels is crucial for the health of photosynthetic organisms.Accurate PAR meters help aquarists provide the right lighting conditions to support aquatic plant growth and coral photosynthesis.Product name:Light meterItem number:PAR_414Use:Environmental monitoringWaterproof class:IP68Power Type:2 x AAA batteries (without batteries)This Full Spectrum Quantum meter device is equipped with a waterproof sensor.It is used to gauge the flux of Photo Synthetically Active Radiation (PAR) within the wavelength range of 400 to 700 nanometers (nm).PAR indicates the crucial spectrum of light essential for initiating photosynthesis in plants.Colour:As ShownMaterial:ABS+MetalPackage Contents:1 * host1 * probe1 * rod (3 sections)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.