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Biometric COVID-19 Device

Description

HF-501A Wireless DC Analog Music Doorbell

 

Wireless AC Analog Music Doorbell

 

1. Receiver: 220V / 50-60HZ 2W

2. Transmitter: 12V23A

3. 36 music ring tones available

4. To the bell light flashing tips

5. Distance, open up to 100M or more

6. SMT production process

7. No wiring required, easy to install

8. Long-range high-frequency vibration body, penetrating ability

Specification
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