MAXWINTEK. Co., Ltd. was established in 2006 for researching and manufacturing medical devices and to provide more distinguished and technical device for the prospective customers; patients, nurses and doctors.Product Description:SP-IV Regulator(Safe & Precise I.V. Flow Regulator)SP-IV Regulator is a safe and precise single use device for infusing medication. With a flow rate range of 1ml/h to 290ml/h, it is ideally suited for all patients, including neonatal, pediatric and oncology.Product Feature:*Safety lock prevents accidental overdose*Easy to use*Designed to lessen twisting of IV tube*One-handed operation*External air purging function*Cost effectiveProduct Specification/Models:*SP-IV Regulator uses the patented "Direct Flow Path" technology*Direct Flow Path" is a precise and innovative flowing control method *Wide control range : 1ml/h- 290ml/h*Constant Infusion-rate (stabililty) for 24 hours : Within 10%Check our product on YouTube!+ 3 Advantages of SP Regulatorhttp://www.youtube.com/watch?v=_yS1su3VGWw+ Summarizing one settinghttp://www.youtube.com/watch?v=JekzTbdZpis+ Instruction manualhttp://www.youtube.com/watch?v=Qm4psghmJyM