Shape: RectanglularDisplay size: 3.8 inchesWeight: 1.5 kgAccuracy: No more than ± 2 percentBattery working time: Not less than 8hKVO speed range: 2.5ml/hDimensions: 248 x 151.5 x 97mmInjection time setting range: 1min - 99:59minWorking Environment: Temperature 5-40°C, relative humidity <80 percent. Operational modes include speed infusion, speed infusion plus time, and speed infusion plus volume. The type of syringe that was used was a four specification syringe with a capacity of 5 ml, 10 ml, 20 ml, 30 ml, and 50 ml (60 ml). The melting rate setting range is 1~1500 mL/h, with a minimum step of 0 points for 01-100 ml/h and a minimum step of 1 for 101-1500 ml/h. Injection rate: If you use a 5 ml syringe, set the rate to (0.1-150) ml/h; if you use a 10 ml syringe, set the rate to (0.1-300) ml/h; if you use a 20 ml syringe, set the rate to (0.1-600) ml/h; if you use a 30 ml syringe, set the rate to (0.1-900) ml/h; if you use a 50 ml syringe, set the rate to (0.1-1500) ml/h.