Features: RS-232 Interface AC power or rechargeable battery 8 weighing units including 1custom unit Below balance weighing All metal construction Large backlit LCD display with dualtext display and capacity tracker Stainless steel platform Technical Specifications Technical Specifications Model PGL 303 2002 4001 8001 1001 2001 Max cap(g) 300 2000 4000 8000 10kg 20kg Readability 0.001g 0.01g 0.1g 0.1g Repeatability0.002g 0.003g 0.02g 0.03g 0.2g 0.2g