一定牛彩票

        <dfn id='h5xvl'><optgroup id='h5xvl'></optgroup></dfn><tfoot id='h5xvl'><bdo id='h5xvl'><div id='h5xvl'></div><i id='h5xvl'><dt id='h5xvl'></dt></i></bdo></tfoot>

        <ul id='h5xvl'></ul>

      1. img{ border:0; }
        Industry news
        2016-05-16 776
        Notes on installation and use of infrared detector
        2016-05-16 3369
        Infrared detector is an infrared beam blocking alarm. The infrared light emitting diode in the transmitter emits a modulated infrared beam (the wavelength of this beam is about 0.8 to 0.95 microns) under the excitation of a power source. The role of the optical system becomes parallel light emission.
        2016-05-14 393
        When a carbon monoxide alarm is found in the home, the first thing to check is whether someone in the home is at risk of poisoning, and special precautions should be taken to protect high-risk patients who are in carbon monoxide.
        2016-05-14 2484
        Shenzhen Haiman Technology Co., Ltd. is a professional manufacturer of smart home products, smart infrared detectors, smart smoke alarms, smart gas leak alarms, smart carbon monoxide alarms, smart temperature and humidity alarms, specializing in ZIGBEE, Z-WAVE detectors. Gaoke, an electronic product development, production, and sales ...
        2016-05-13 357
        According to some relevant data, the shorter the time between fire catch and fire detection, the lower the fire mortality rate. As a result, fire death rates in households protected by smoke alarms are lower than those in households without such protection.
        2016-05-13 407
        With the improvement of people's living standards, the decoration of residential homes is becoming more and more luxurious and complicated, and all kinds of household appliances are available. These factors have increased the probability of fires in families. To this end, Hyman reminded the broad masses of the people to enjoy a good life while doing several aspects of self-examination to eliminate the hidden dangers of family fires, ...
        Back Home | Products | Download Center | Contact Us | Site Map | Alibaba Store | Tmall Flagship Store | Join Hyman
        Copyright © Shenzhen Haiman Technology Co., Ltd. 粤 ICP 备 06020500 号 Sitemap Archive

        Service Hotline:

        181 2392 8516

        Follow Hyman WeChat
        a