Audio door phone with unlocking function

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Basic Info

Payment Type:	T/T or Western Union

Product Description

Talking distance: above 100m (2 x 0.75mm²)

2-wire connection

With unlocking function

Anti-oxidation and wearable aluminum outdoor unit

Name or room number of user can be displayed on outdoor unit,along with LED indication

High-quality circuit to promise sharp clear voice

Easy DIY installation

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