Ultra mini size with multi-function Checking, animal weighing , parts counting, percentage, accumulating , weight hold , preset tare Version: Mini-e led display with 0.56' ;and 15 led diodes indication Mini-l lcd display with 0.8' and 25 indication Parameters: Plastic front face and steel back Size:170*78*40mm Mini-l (0.8â??lcd, 25 indication); mini-e (0.8â??led, 15 indication) 5 function keys 1/60000 high s-? a/d conversion 2 rs232; 4 units: kg , g, lb, oz 8 at 350 ohm load cells connection Linearity calibration on or off 3.7v2.6ah li rechargeable battery Extend optional: Connect to rs232 wireless to connect With display or pc