Features:<br> Compact size and lightweight, small space occupation and convenient to carry; with back holes for wall mounting and better heat dissipation.<br> Single knob design, easy to control and calculate the flow, by stepless speed regulation.<br> Light degree of the intelligent indicator shows the flow rate, clear and considerable.<br> Pump Head is simple to assemble, can easily be replaced, maintained or changed the direction of pump head.<br> Three-wheel structure features moderate pulsation, accurate flow rate, low noise, low loss and long using life.<br> Three types of delivery hoses are supported (1*3mm/2*4mm/3*5mm) for different needs of flow, an extra extension hose of 1m is included in the package.<br> Specifications:<br> : GROTHEN<br> Material: Engineering Plastics<br> Color: Green<br> Pump Head Quantity: 1<br> Tube Size (ID*OD): 2mm * 4mm Food Grade Silicone Tube<br> Tube Chemical Resistance: 10% Acid / Alkali<br> Tube Life Time: More than 350h<br> Flow Rate: 10-33ml/min; 22-85ml/min; 40-160ml/min<br> Free Extension Tube Length (Outside the pump head): 1 meter<br> Input Voltage: 100-240V AC<br> Output Voltage: 24V/1A<br> DC Motor: 12V<br> Speed Control Type: Stepless Speed Control<br> Item Size: 13.2 * 8.1 * 5.2cm / 5.2 * 3.2 * 2in<br> Item Weight: 189g / 6.67oz<br> Package Size: 18 * 15.6 * 10.8cm / 7.1 * 6.14 * 4.25in<br> Package Weight: 434g / 15.3oz<br> Package List:<br> 1 * Peristaltic Pump<br> 1 * Extra Extension Hose (1m)<br> 1 * Charge Adapter