Published by Shenzhen SUMRING Technology Co. Ltd2019-07-11
Our standalone 10 year smoke alarm is hot sale. The fire smoke detectors are with Long-life lithium-ion battery sealed Alarm output is Sound & Flash alarm with 85dB/3m.
Published by Shenzhen SUMRING Technology Co. Ltd2019-08-08
Sumring kitchen smoke detector alarm is not only cheap, but also high sensitivity, adopted SMT new technology, Suitable for all kinds of commercial production.