The device can also provide with functions of automatic protecting and alarming of light and sound.
该装置不仅实用性广，而且能够实现水位的自动控制，同时具有自动保护、自动声光报警等功能。
The person who receives sound and light alarm sent by the sending-to-alarming device can make an immediate emergency response.
发送到报警装置，发出声光报警，令接到报警的人员立即作出应急反应。
Features: All weather condition operation availability, sound, light and transmission alarming.
特点：全天候工作，具有声、光报警功能。
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