Accurate measurement of Photosynthetic Photon Flux Density (PPFD) for optimal plant growth in aquariums and reef tanks. IP68 waterproof design ensures durability and reliability in underwater environments, making it for aquatic use. High-resolution LCD display provides clear and easy-to-read measurements, peect for both professionals and hobbyists. Full spectrum sensor captures a wide ran of light wavelengths, ensuring comprehensive light analysis for various aquatic plants. Compact and portable design allows for easy handling and stora, making it a must-have tool for aquarists and plant enthusiasts.