This solenoid valve is low temperature design, temperature below 30°, low heat and low noise. 100-240V wide voltage input, DC 12V output, the solenoid valve is upgraded 12V noiseless version. It is safe, no leaking and easy to install, turn on and off automatically when used with a timer, also, timer can connect your aquarium's lighting system, with it, better keep your aquatic plants healthy, more convenient and save energy.Features:Noiseless and Safety: noiseless version. High-quality power cord( the total length of the power cord is 90cm), with "anti-shock" charger, safety and no safety hazards.Settable:Turn on and off automatically when used with a timer. Thanks to this CO2 solenoid valve, timer can connect your aquarium's lighting system and cuts off the CO2 supply depending on light. keeping your aquatic plants healthy, more convenient and save energy.Suitable for:One end connect M10*1 external thread or fine adjustment valve, the other end connect 4*6mm tube or bubble counter(single head solenoid valve). Two ends connect 4*6mm tube or bubble counter(double head solenoid valve). anti-shedding and good sealing. No leaking.Durable and Easy to Control:Be made of aluminum alloy material, strong and sturdy. Low temperature design, temperature below 30°, low heat and low noise. According to user's need to control the outlet time, convenient, stable and easy to install.Warranty:Any problem, please contact our store without hesitation. Honor to serve you!Specification:Name: Solenoid valveMain color: Silver, blackMaterial: Aluminum alloyOptional type: Single head/double headSingle head: M10*1 external thread or fine adjustment valve/ 4*6mm tube or bubble counterDouble head: 4*6mm tube or bubble counterSize: 51*48mmPower cord: 90cmNote:Only suitable for valve's output pressures below 6KG.Trim valve interface(if not the M10*1 interface) can not be connected to the single head,