Features: ? Parament: Model: Flow Rate Range: 5.2-90ml/min; Pump Tube Size: 1.0x3.0mm (inner diameter* outer diameter); Voltage: 12V. ? Widely used in the field of experimental, scientific research and production in medical, agricultural, laboratory, chemical etc. ? Compact size, low power consumption, can meet different needs. ? The liquid only contact the pump pipe does not contact the pump body without pollution. ? Easy replacement of hose without valves and seals. Specification: Colour: Blue Voltage: 12V/24V Operating Current: 0.25a Flow Range: 5.2-90ml/Min Noise: Less Than 40db Pulse: Three Rollers, Low Pulse And Low Noise Pump Head: Engineering Plastic Working Environment: Temperature 0~40 Degree Relative Humidity: Less Than 80% Mounting Plate: Straight Plate Product Weight: 110g Package Size: 17 x 12.5 x 11.5cm/6.7 x 4.9 x 4.5in Package Weight: 199g/7oz Packing List: 1 x Peristaltic Pump