Waterproof NB-IOT Internet of Things Hotel Foot Bath School Hospital Dining Room Powder Room Public Toilet Anti-Terrorism One-touch Emergency Wireless Calling Alarm Button Phone Brain Remote Notification
NB (print SOS, send three years of traffic) waterproof NB (print SOS, send three years of traffic) with drawstring double button NB (printed call, send three years of traffic) waterproof NB (printed call
manufacturer:
Quanzhou Yuxun Electronic Technology Co., Ltd.
Classification category:
wireless siren
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Items weight estimation 0 g, subject to actual weight
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