This solenoid valve is low temperature design, temperature below 30, low heat and low noise. Wide voltage input 100-240V, DC 12V output, the solenoid valve is a 12V upgraded version without noise. It is safe, leak-free and easy to install, automatically turns on and off when used with a timer. Besides, the timer can connect your aquarium lighting system, with it, better keep your healthy aquatic plants, more convenient and save energy.Features:Quiet and safety: wide voltage input 100-240V, DC 12V output, the solenoid valve is an updated 12V noiseless version. High quality power cord (the total length of the power cord is 90cm), with "anti-shock" charger, safety and no safety hazards.Adjustable: Automatically turns on and off when used with a timer. With this CO2 solenoid valve, the timer can connect your aquarium lighting system and cut off the CO2 supply depending on the light. keep your aquatic plants healthy, more convenient and save energy.Suitable for: one end connects M10*1 external thread or fine-tuning valve, the other end connects 4*6mm tube or bubble counter (single head solenoid valve). Two ends connect 4*6mm tube or bubble counter (double head solenoid valve). anti-lost and good sealing. No leaks.Durable and Easy to Control: Be made of aluminum alloy, solid and sturdy. Low temperature design, temperature below 30, low heat and low noise. According to the user's need to control the output time, convenient, stable and easy to install.Warranty: Any problem, please contact our store without hesitation. Honor to serve you!Specification:Name: solenoid valve Main color: silver, black Material: aluminum alloy Power: 1.6W Voltage: 100V-240V input, 12V stable low voltage output Optional type: single head/double head Single head: M10*1 external thread or fine adjustment valve/4*6mm tube or bubble counter Double head: tube of 4*6 mm or bubble counter Size: 51*48mm Power Cord: 90 cm Note:Only suitable for valve outlet pressures below 6 kg.Trim valve interface (otherwise M10*1 interface) cannot be connected to the single head, can only buy two-head solenoid valve and 4*6mm air tube. If you have a small leak when it is turned off, please try to return the inlet/outlet.When the solenoid valve works, the surface temperature is a little high, heat is a normal phenomenon. After connecting well, please do not touch.Package Information:Package size: 13*8.4*4cm Package weight: single head: 154g; Double head: 141g Gift Box Packaging Packing List:1 * solenoid valve 1 * seal ring