Unfortunately your browser does not hava JavaScript capabilities which are required to exploit full functionality of our site. This could be the result of two possible scenarios:
输入产品的任意描述即可， 包括品名/型号/技术参数等
型号末位数字为”1“：通电开锁（断电闭锁） 型号末位数字为”3“：通电上锁（断电开锁） 型号含”L“：带门状态信号输出
