Dual Intercom with 2 Phones

Features:
Anti-oxidation, durable aluminum audio door phone outdoor unit.
High-quality circuit for clear voice.
Electric-controlled lock release.
Name or room number of the user can be displayed on the outdoor unit, with LED indication.
Talking distance is above 100m ((2X0.8mm2).
Inside power supply or extra power adaptor.
2-wire connection.
Assembly of outdoor unit: flush mounting.
Easy DIY installation.

Specifications:
50 mw audio distortion rate
talk time: unlimited, free calls
input voltage: AC220V 50 hz, Output voltage: AC12V 1200mA
frequency response: 300 ~ 3400 hz
working voltage: DC12V
static power consumption: <0.2w, call status <2w

What’s in the box
1 x Waterproof Intercom
2 x Indoor Phones
1 x Manual