Dust level (the first X)0: no protection1: to prevent large solid intrusion2: to prevent the invasion of solid medium size3: prevent small solid into intrusion4: prevent solid objects greater than the entry of 1mm5: to prevent the accumulation of harmful dust6: completely prevent dust enteringWaterproof grade (second X)0: no protection1: the drops into the shell had no effect2: when the shell is tilted 15 degrees, water droplets drops into the shell had no effect3: water or rain from 60 degrees corner to the housing no effect4: liquid from any direction poured into the shell did not damage effect5: rinse with water without any harm6: can be used for the cabin environment7: in a short time immersion resistant (1m)8: in the long time of soaking under certain pressureShell protection grade (IP code) standards:1) by IEC (INTERNATIONAL ELECTROTECHNICAL COMMISSION) the IEC: International Electrotechnical Commission Standard IEC 529 – 598; 2) GB GB 700 - 86; 3) GB 4208.Shell protection grade (IP code) laboratory:0���](m��i)�б��o(h��)1����ֹ��Ĺ��w����2����ֹ�еȴ�С�Ĺ��w����3����ֹС���w�M(j��n)������4����ֹ���w����1mm�Ĺ��w�M(j��n)��5����ֹ�к��ķۉm�ѷe6����ȫ��ֹ�ۉm�M(j��n)���ˮ�ȼ�(j��)(�ڶ���(g��)X��ʾ)0���](m��i)�б��o(h��)1��ˮ�ε��뵽�⚤�o(w��)Ӱ�2����(d��ng)�⚤�Aб��15�ȕr(sh��),��ˮ�ε��뵽�⚤�o(w��)Ӱ�3��ˮ����ˮ��60�Ƚ��䵽�⚤�ϟo(w��)Ӱ�4��Һ�w���κη��򝊵��⚤�](m��i)�Ђ���Ӱ�5����ˮ�_ϴ�o(w��)�κ΂���6�������ڴ�œ��(n��i)�ĭh(hu��n)��7�����ڶ̕r(sh��)�g��(n��i)�ͽ�ˮ��1m��8����һ���������L(zh��ng)�r(sh��)�g��ˮ�⚤���o(h��)�ȼ�(j��)��IP���a���Ę�(bi��o)��(zh��n)�У�1����IEC��INTERNATIONAL ELECTROTECHNICAL COMMISSION������݇�(gu��)�H���o(h��)�ͷ�ˮԇ�(y��n)��(bi��o)��(zh��n)����(gu��)�H늹�ί�T��(hu��)��(bi��o)��(zh��n)IEC 529 – 598��2����(gu��)��(bi��o)GB 700 – 86,��3��GB 4208��,���⚤���o(h��)�ȼ�(j��)��IP���a����(sh��)�(y��n)�ң�