1byone Digital Body Weight Scale Bathroom Scale with Step-on Technology, 6MM Glass, Max Weight 400 PoundsStep on Technology Read immediately as soon as you step on the digital scale; Reading lock function for convenient use Wide Application Range 11lb 5kg 396lb 180kg; 2 available units of measure: lb, kg; Please change switch between KG, OFF and LB at the bottom of the weight scale. High Accurate Bathroom Scale Built with 4 high precision sensors, graduation increments of 0. 2lb 0. 1kg Auto calibrated Auto power off to extend battery life. Low battery