Install the fire bell in the whole fire alarm system, it could give people auditory alarm signal.making voices, warning people that fire occurs, at the early fire stage.
Monitoring the site fire safety situation, combined together with other monitoring device as detectors. to keep the site safety.
1.Have CE. ISO9001.EN54 certificate
2.Have different specifications
3.Voice in the form of vibrato
4.With intermittent. resistance to work long hours, no electromagnetic interference. Electrical service life
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