electronic analytical balance Specification install with RS232C interface inside ,automatic self-caliberation,fast weighing, high precision, stable display, easy operation. Model(FA114 FA214 FA314 FA264S) Capacity(g) (110 210 310 210/60) Real Scale Division(mg) ( 0.1 0.1 0.1 0.1/1) Examined Scale Division (E=10d) Output Interface (RS232) Main Function (Tare,calibration,percentage,unit exchange counting ,automatic malfunction check.) Dimensions (320?00?20mm) Power (AC220V/50Hz 14VA) the picture just for your reference.