HF-109DC Telephone Intercom Doorbell
HF-109DC Telephone Intercom Doorbell
E-mail: info@hfcctv.com
Skype: hfvip@hfcctv.com
Mob: +86-15523810826
Description
HF-109DC Telephone Intercom Doorbell
Specification
1.Both sides of the phone installed on the 5th battery 3
2. Any party pick up the phone and press the button, the other phone will ring, the other party can pick up the phone can call directly
3. Easy to install Easy to use upstairs downstairs door door and other intercom use.
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