HF-9520FD/HF-9520FA Wireless DC Analog Music Doorbell
HF-9520FD/HF-9520FA Wireless DC Analog Music Doorbell
E-mail: info@hfcctv.com
Skype: hfvip@hfcctv.com
Mob: +86-15523810826
Description
HF-9520FD/HF-9520FAWireless DC Analog Music Doorbell
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)
Specification
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