我哥哥利奥，他是一个农民，不久前他接到一个保安公司的电话，对方表示愿意免费为他提供一个促销用的防盗报警器。
Not long ago, my brother Leo, a farmer, got a call from a security firm that offered him a promotional burglar alarm at no charge.
介绍了一种住宅用智能报警器，它集防火防盗功能于一体，可实现自动检测与自动电话拨号报警。
A kind of intelligent alarm system for residential area are introduced. It includes the functions of theft-proof and fireproof, performing automatic detection and automatic dial.
介绍了一种住宅用智能报警器，它集防火防盗功能于一体，可实现自动检测与自动电话拨号报警。
A kind of intelligent alarm system for residential area are introduced. It includes the functions of theft-proof and fireproof, performing automatic detection and automatic dial.
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