3.5V-24V / Characteristics (8xQ-4) ±5 %, F frequency, Q flow rate/L/min The seal used in the construction will not leak under pressure. Fully imported, water resistant design Water Pressure Resistance: Over 1.75 MPa Usable Voltage Range: DC 3.5 - 24 V Perfect for water heaters, water dispensers, water filters, and water vending machines Light and flexible appearance, small size, easy to install. The impeller is inlaid with a stainless steel shaft, which is always wear-resistant, Manufacturer: Rxgiasup