1) Compatible with syringes of most of the standard brands. 2) Automatic Calibration for syringes. 3) Three working modes: Rate control mode, Time control mode and Dose weight control mode 4) Built in rechargeable battery (Lithium-ion ) 5) 8 hours internal battery backup. 6) Alarm functions: occlusion, empty, near empty, low battery, infusion over, syringe loose, etc 7) Three levels of the occlusion limited pressure: high, middle and low. 8) Purge Bolus function. 9) Standard PCA Function