Suitable for water purification equipment, automatic control systems, small water dispensers, coffee machines, spray systems and other electrical appliances. The size is 3.4x13x31mm, please check the picture for the specific size. Please note: 1 to 2 is always on and cannot be turned off, but 1 to 3 is normally closed and opened when powered on. Supports 9-12V DC voltage and 0.17A current, suitable for a variety of low-voltage power supply systems, and more flexible to use. The electromagnetic action responds quickly and has high opening and closing efficiency, which is suitable for application scenarios with high requirements for fluid control., Manufacturer: EMSea