偏心圆频率8.2MHz尺寸Ф50mm(Ф1.97″)颜色黑/米黄或定制锁芯三球结构,标准/强力包装1000个/箱小方标签频率8.2MHz尺寸46*42mm(1.81″*1.56″)颜色黑/灰/白或定制锁芯三球结构,标准/强力包装1000个/箱大方标签频率8.2MHz尺寸66mm*55mm(2.60″*2.17″)颜色黑/灰/白或定制锁芯三球结构,标准/强力包装500个/箱)