Check and maintain firefighting system, alarm system and security system.
检查和维修消防系统、报警系统和安全系统。
Alerts are sent via email, SMS text, or standard industry alarm through the security system.
报警器可以通过安全系统发送邮件信息，文本信息或者标准工业警报。
To build your own security system, wireless transmission alarm.
打造您的专属保安系统，无线传输报警。
To build your own security system, wireless transmission alarm.
打造您的专属保安系统，无线传输报警。
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