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Biometric COVID-19 Device

Description

HF-S128 Wireless AC Analog Music Doorbell

 Wireless AC Analog Music Doorbell

 

1. New 36 chord music configuration

2. Humanized flash function, warmth care for hearing impaired people's life.

{C}3. {C}120 meters long barrier to receive distance; remote control buttons with waterproof design,

Touch button, long durable; signature card recognition function

Specification
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