Model Suffix_ No. of Display Divisions No. of Internal Resolutions Accuracy Platter Size(inch)_ Draft Shield Scale Dimensions(inch) LCD Height(inch)_ Auto Backlight Auto Shut Off_ Auto Hold Unit Switching_ AD Processor AD Update Speed_ Settling Time Calibration Software_ Memory Counting Function_ USB Battery AC Adapter Shipping Weight(lb)_ Pieces per master ctn Units per pallet Wheel Chair Scale NEW LWC 1000 Aluminum 1000lb _No_ _0.1_ _0.2_ _No_ 5000 _2m_ +/-3d 43.9_x 39.4 x 3 _1_ _Yes_ Yes,Selectable Yes,Selectable _No_ _kg,lb_ 21 bit A/D 10 Hz _<2s_ AnyCAL _5_ _Zero_ _No_ _Yes_ _No_ 6 x AAsize battery Yes, 9VDC _100_ _1_ 15 Wheel Chair Scale LWC 800 Aluminum 800lb No 0.1 0.2 No 4000 2m +/-3d 37.8 x 39.4 No 43.9_x 39.4 x 3 1 Yes Yes,Selectable Yes,Selectable No _kg,lb_ 21 bit A/D 10 Hz <2s AnyCAL 5 Zero No Yes No 6 x AAsize battery Yes, 9VDC 90 1 15