For trading certification Stainless steel plate (sold separately): SJH-10 Weight capacity (kg): 30 Place plate dimensions (mm): 230 x 190 Protection grade: IP67 Power supply (V): 6 x AA batteries (sold separately) Power supply: 6 x AA batteries (sold separately) Certification: National certified产品 小显示:0.02kg(0-20kg)/0.05kg(20-30kg) 传感器方法:加载单元格方法