We are offering platform scale. 304 ss top plate, with abs plastic indicator, ms frame, ss pole display: 6 digit,7 segment,red led display ,20 mm height for easy viewing in low light calibration : digital external span calibration rs232: inbuilt bi-directional battery backup and type : 30 hrs,internal rechargeable lead acid functions : weighing , parts counting keyboard : 6 function mechanical keys , raised , tactile weighing units : kg , gm , lb , oz ,