1、Single rotating knob, simple and elegant, convenient to adjust the flow rate. 2、Removable pump head, easy to be installed and removed for replacement, maintenance, direction etc. 3、Intelligent reminder light, the degree of light and darkness indicates the flow size. 4、Back hanging hole design, easy to hang, good for heat dissipation. 5、Three rollers design, gentle pulsation, accurate speed, low noise. Features: 1. Single rotating knob, simple and elegant, convenient to adjust the flow rate. 2. Removable pump head, easy to be installed and removed for replacement, maintenance, direction etc. 3. Intelligent reminder light, the degree of light and darkness indicates the flow size. 4. Back hanging hole design, easy to hang, good for heat dissipation. 5. Three rollers design, gentle pulsation, accurate speed, low noise. Specification: Condition: 100% Brand New Item Type: Peristaltic Pump DC Motor: 12V Number of Pump Heads: 1 (single pump head) Pulsation: Three rollers, small pulsation 4-18ml/min (G628-1-1) 9-53ml/min (G628-1-2) 19-120ml/min (G628-1-3) 1mm*3mm (inner diameter* outer diameter) (G628-1-1) 2mm*4mm (inner diameter * outer diameter) (G628-1-2) 3mm*5mm (inner diameter* outer diameter) (G628-1-3) Speed Regulation Type: Stepless speed regulation Pump Head Material: Engineering plastic Pump Tube Material: Food grade platinum vulcanized silicone tube Package List: 1 x Peristaltic Pump 1 x Adapter 1 x Extension Tube (1m) Note: