This solenoid valve features a low-temperature design, operating below 30 degrees Celsius, ensuring low heat and quiet performance. It supports 100-240V wide voltage input with a stable DC 12V output, designed as an upgraded 12V silent version for reliable operation. The valve is safe, leak-proof, and easy to install, enabling automatic on/off control when used with a timer. It can be integrated with an aquarium lighting system to regulate CO2 supply based on lighting cycles, helping maintain healthy aquatic plants while improving convenience and energy efficiency. Features: - Silent and Safe Operation: 100-240V input, 12V DC output, upgraded 12V silent solenoid design. Includes a high-quality 90cm power cord with protective charging module for enhanced safety. - Timer Compatible: Enables automatic control when paired with a timer. Synchronizes CO2 supply with aquarium lighting to support plant health and energy savings. - Versatile Connections: Single-head version connects to M10*1 external thread or fine adjustment valve on one end, and 4*6mm tubing or bubble counter on the other. Double-head version connects to 4*6mm tubing or bubble counters on both ends. Ensures secure fit, anti-leak performance, and durable sealing. - Durable Construction: Made from aluminum alloy for strength and stability. Low-temperature design ensures minimal heat and noise during operation. Allows user-controlled outlet timing for flexible setup. Specifications: - Name: Solenoid Valve - Color: Silver, Black - Material: Aluminum Alloy - Power: 1.6W - Voltage: 100-240V AC input, 12V DC output - Type Options: Single Head / Double Head - Single Head Connections: M10*1 thread or fine adjustment valve / 4*6mm tubing or bubble counter - Double Head Connections: 4*6mm tubing or bubble counters (both ends) - Dimensions: 51*48mm - Power Cord Length: 90cm Note: Designed for use with valve output pressures under 6KG. Trim valve interfaces not matching M10*1 cannot connect to the single-head version; users should select the double-head valve with 4*6mm air tubing. If minor leakage occurs when off, try reversing the inlet and outlet connections. Slight surface heating during operation is normal. Avoid touching during use. Package Information: - Package Size: 13*8.4*4cm - Package Weight: Single Head: 154g; Double Head: 141g - Packaging: Gift Box Packing List: - 1 x Solenoid Valve - 1 x Wrench - 1 x Seal Ring - 1 x Plug