Product Name:Double Infusion Pump 1. Freely Stackable: Users can freely stack one syringe pump onto another to provide multiple Solutions, which have a wide range of clinical applications. 3. Stackable to be the maximum 8 channels. 4. Transfer the message between the Nurse-call System and the pumps. 5. Three working modes: rate mode, time-volume mode, dosage-weight mode. 6. Unique Voice Alarm system and accurate injection rate make the injection process safer and more reliable. 7. Automatically calibration and compatible with any brand syringes. 8. Large LCD screen displays working status. 9. KVO and Bolus functions.