1、Double rotating knob, simple and elegant,convenient to adjust the flow rate. 2、Double pump heads, designed to control the flow rate speed separately. 3、Intelligent reminder light to know the status of the pump in real time. 4、Easy to disassemble the pump head for easy replacement and easy maintenance. 5、Back hanging hole design, easy to hang, good for heat dissipation. Features: 1. Small size and easy to carry. 2. Double rotating knob, simple and elegant,convenient to adjust the flow rate. 3. Double pump heads, designed to control the flow rate speed separately. 4. Intelligent reminder light to know the status of the pump in real time. 5. Easy to disassemble the pump head for easy replacement and easy maintenance. 6. Back hanging hole design, easy to hang, good for heat dissipation. 7. Three planetary gears gentle pulsation, accurate speed, low noise, precisely engaged gear transmission. 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 (10-33ml/min)*2 (G728-2-1) (22-85ml/min)*2 (G728-2-2) (40-160ml/min)*2 (G728-2-3) 1mm*3mm (inner diameter* outer diameter) (G728-2-1) 2mm*4mm (inner diameter * outer diameter) (G728-2-2) 3mm*5mm (inner diameter* outer diameter) (G728-2-3) 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 (2 meter) Note: