briefness

CSP layer provides briefness and wieldy function library for trader doing encrypt integration.

CSP层，即抽象设备层，为加密服务集成商提供的简单、易用接口函数库。

Voice call the police, Briefness, Safety, Dependable ossesses battery capacity lack, Sensor damage warning, Can timely remind consumer to announciator proceed maintain .

声音报警，简单、安全、可靠具有电池容量不足、传感器损坏警告，可及时提醒用户对报警器进。