DT-122LA Wireless Interconnected Fire Detecting Alarm is a portable, photoelectric smoke alarm with low power consumption. Internal precise analog circuit, digital circuit and wireless transmission circuit make the detection work more stable and reliable. It has wireless interconnection function, which means when one unit makes alarm, other interconnected units within the interlink range will alarm at the same time. This product has small volume and the built-in large-capacity battery can provide service life of 10 years.(If used under WiFi system, it is around 5years)
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