5kg 5000g/1g Digital Kitchen Food Diet Postal Scale Electronic Weight Balance Using high-precision tension meter sensor system, weighing accurate, the error rate in one thousandth with auto-zero / auto-off function; with overload / low battery prompt function Unique impulse design, readings more convenient, especially for the large packages.Before turning on the power, put the gauge on the scale, then press "T", the system will automatically zero, measuring device is not a component, so that your weighing more convenient Multi-unit ( Lb/oz/g ) display, press "Unit" button to switch among kg, oz, lb and g Package Included:1 * Electronic Kitchen Food Scale,1 * User manual. Attention, Power: 1 5V x 2 AAA battery (not included),