High priceison syringe pump with low price

Product Name: Syinge Pump CS-1000ASyinge Pump is for micro and continuous infusion, specially used for intravenous infusion of drugs.
Syinge Pump is made of housing, motor, display, and battery, etc.
AC power: AC 100~240V, 50/60Hz.
Maximum power consumption: 25VA
Battery charging time: ≤ 16 hours.
Characteristic: Rechargeable Ni-MH battery, 9.6V, 2000mAh.
Battery working time: approximately 4.0 hours at 5mL/h (on the condition that the battery is entirely new and fully charged).
Applicable syringes: 10mL, 20mL, 30mL and 50/60mL syringe. 
KVO (Keep vein open) rate: 1 mL/h
Infusion volume range:0.1 ~ 9999.9 mL
Infusion accuracy: ±2% 
Volume infused display:0 ~ 9999.9 mL
Temperature:+5°C ~ +40°C
Relative humidity:20% ~ 90% 
Atmospheric pressure:70 KPa ~ 106 KPa
Net weight:Approximate 2.0 kg
Dimensions:305 x 165 x 185 mm