Features: Elevates your hydroponic gardening with the CO2 Flowmeter Regulator that ensures carbon dioxide distribution for plant growth. This regulator features solenoid valves, allowing for seamless integration with electric timers for automated CO2 flow control, and brass for long lasting performances. Suitable for indoor gardeners and hydroponics enthusiasts, designed to cater to both novice and experienced growers seeking to enhance their plant cultivation systems. Transform your grow room or greenhouse into a thriving ecosystem by maintaining perfect CO2 levels with this regulator's accurate flow gauge and easy to adjust settings. With CGA320 fitting for cylinder compatibility and a range of 4000PSI, offer unparalleled control over your plant environment, Specifications: Component:Brass Plug:EU/US Main power supply voltages: 110V Temperature control range: 50-115 Humidity control range: 20-80% Maximum current: 15A Working temperature range: 32 -120℃ Humidity working range: 0~99% Feet: 10 feet 1/4inch Range: 0-4000PSI Size:Approx.22x25x20cm/8.66x9.84x7.87inch Package Includes: 1Pc CO2 Flowmeter Regulator note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.