General description Quiet and safe, this upgraded solenoid valve for aquarium CO2 systems operates on a DC 12V output and features a wide voltage input range of 100-240V. It is designed for connecting 4 x 6mm pipes or bubble counters, ensuring efficient CO2 supply management for your aquatic plants. Technical specifications Voltage input: 100-240V Output voltage: DC 12V Power cord length: 90cm Temperature operation: below 30 °C Usage Automatically turns on and off when used with a timer, allowing for synchronization with your aquarium lighting system. Helps maintain healthy aquatic plants by managing CO2 supply based on light levels. Other information Made of durable aluminum alloy for strength and sturdiness. Designed for low heat and low noise operation. Features anti-loss and good sealing to prevent leakage.