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HF-9520FD/HF-9520FAWireless DC Analog Music Doorbell

One Drag Two Wireless Analogue Music Doorbell


1. Long distance, open up to 60-90M

2. High frequency vibration body, penetrating ability

3. 32 music ring tones available

4. When the music sounded, the three colors of the ballet lights shining with the dance, to the hearing of the old man and hearing the obstacles to know the doorbell in the ring

5. Quartz crystal with low repetition rate (1/1000)

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