Check the listing for details. Industrial Variable Speed Liquid Metering Pump Peristaltic Pump High Precision. Condition: New. Listed at 251.66 USD. Specification Color: Beige Drive Mode: Electric Material: ABS, PPS, Stainless Steel Power Source: Corded Electric Shape: Rectangular Assembly Required: No Plug Type: US Standard Number of Items: 1 Model: YZ15-13A Available Tubing: 13#, 14#, 19#, 16#, 25#, 17#, 18# FlowRate Range (m/min): 0.07-380m/min Tube Wall Thickness:1.6mm/0.063in Resolution: 0.1rpm Speed Range: 0.1-100rpm Power Supply: AC 90-260V, 50/60Hz Maximum Power: 30W Protection Level: IP31 Decibel: Less Than 60 dB Direction Of Rotation: Forward/Reverse(Corresponding Indicators are CW (Geen) / CCW (Blue)) Adjustment Method: Membrane Button and Rotary Adjustment Display Mode: Three-Digit Led Digital Tube Displays the Current Speed External Control Interface: Start-Stop Control, Direction Control, Speed Cont.