One call button could call multiple receivers at the same time
IP55 waterproof
12V 23A ALkaline battery
Portable and Wearable
55 Ringtones ,the default ringtone is “Ding-Dong”
5 Level Adjustable Volume From 0db to 110db
Working voltage of Receiver:110-260V
From $30
Online 24 hours
365 a day
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