Large 16.5mm high Liquid Crystal Display (LCD) Selectable modes: weight, unit count and percentage, 12 units of measurement, Mono-Metal Tuning Fork Sensor (MMTS) provides quick response and stability, 20-step bar graph display, 115 VAC adaptor included (230 VAC optional), Semi-automatic calibration, external weight, Plastic housing on models <1000 g, plastic top and die cast bottom on models >1000 g Options: RS-232, Rechargable battery