Features: The CO2 Electromagnetic double Gauge regulator delivers laboratory grade precise for measuring CO2 concentration and gas pressure, featuring double display for real time monitoring in aquariums, labs, and industrial environment. Equipped with builtin data logging and corrosions resistant aluminum alloy construction, this CO2 monitor automatically stores measurement for seamless analysis and in humid fishtank setting. Designed for aquarium enthusiasts, researcher, and facility engineers requiring CO2/pressure tracking in fishtank ecosystems and controlled environment. Perfect for aquarium maintenances, environmental monitoring, and industrial application, its interfaces simplifies parameter adjustment without complex procedures. Engineered with vibrations resistant durability, this double display CO2 detector maintains accuracy during prolonged use in demanding occasion like water plant cultivation and gas systems diagnostics. Specifications: Component: Aluminum alloy Product Size: As pictures shown Package Includes: 1 Set Aquarium CO2 regulator note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item