(This item with CE certification) 1. High percision conversion with readability 1/30000 2. Call and display inner code to replace weihgt observing and alanysis tolerance 3. Special software process to strengthen anti-vibration ability 4. Able to setup Zero tracking range, Zero(auto/manual) range 5. Able to setup digital filter intensity, range and stable time. 6. With counting function(unit weight data saving protection in case of power off 7. Selectable back light(EL)mode 8. AC/DC power supply. With built-in rechargeable 6V/4AH battery 9. Alam for low battery and auto power off at low battery 10. Optional of RC232 interface with selectable baud rate and communication method 11. Optional of Scoreboard interface sending by 20mA current loop Our cpmpany website is www. Yaohua. Com. Cn, Weclome you to inquiry our other products! ! !