The Ywbl-Wh Peristaltic Liquid Pump Adjustable Flowing Dosing Pump Us Plug Specification: Item Type: Peristaltic Liquid Pump Pump Body Flowing: Adjustable, 1ml-250ml/min Rated Voltage: AC100V-240V Rated Frequency: 50/60HZ Package List: 1 x Peristaltic Liquid Pump 1 x Power Adapter 1 x Tube 1. Industrial grade peristaltic pump, single head design, mainly used in the field of experimental, biochemical analysis, pharmaceuticals, fine chemicals, etc. 2. Adjustable flowing rate peristaltic pump, pump head with imported peristaltic pump tube which has high impact resistance, high temperature resistance, high flame retardancy. 3.The speed can be adjusted freely according to the actual situation, simple and convenient. Can work quickly and with large flowing, stable and sturdy, suitable for long time use. 4. The knob can adjust pump flowing rate, easy to operate. The pump head designed for easy disassembly, easy to clean and maintain. 5. We strive to provide a product of the highest quality and the best customer experience, if you are not completely satisfied, do not hesitate to contact us at any time.