Audio Phones with Unlocking Function and Two Wires Connection

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Basic Info

Payment Type:	T/T, L/C

Product Description

2-wire connection

With unlocking function

Anti-oxidation, wearable aluminum outdoor unit

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

Good-quality circuit to promise sharp clear voice

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

Easy DIY installation

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