防震贴”是一个可感受和显示震动程度的精密监测震动装置，是机械结构无磁产品。如果一个贴有“防震贴”的包装箱受到震动或剧烈的搬运，箭头会变成黑色就表明发生了过分的碰撞，普通的移动或路上颠簸对“防震贴”不会有影响。除非它受到本身所设定的震动程度以外的震动。它才会有反应。“防震贴”应用了高粘度合剂所有的成份不受湿度和正常温度的影响。“防震贴”一旦起反应就不会被复原。

The warning labels are modern item for logistics damaging prevention , have -“Drop n Tell” .It is a sensible mechanical product without any ism and chemistry.It is to sticked on the carton to be transport , and the arrow on “Drop n Tell” will be shown red if the carton has been dropped or other improper handling, and to indicate to the officer have to check the carton which may be damaged. And the acted “Drop n Tell” is not resetting . As “Drop n Tell” have protection lock itself,so it will not active before its’ application. There are 6 models of sensor to meet any carton size and weight.