Features: Working voltage: DC4.5V, G1/2 inlet, G1/2 outlet. Compact size, beautiful appearance, stable performance. Easy to install and maintain, and can be used continuously. Made of high quality brass material, great wear-resisting performance, durable in use. Mainly used for induction cleaner, pre paid water s aving system, garden irrigation, etc. Specifications: Material: Brass Size: approx 5x5.4cm/2x2.1in, 6.9x2.5cm/2.7x1.0in(optional) Working voltage: DC4.5V Inlet & outlet: G1/2 Pulse width: 30ms Applicable pressure: 0.02-1.0Mpa Medium temperature: 1-80 Working method: Positive Pulse Open/Negative Pulse Off Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Electric Solenoid for Valve