shop address: 2 Street  G3-17530

Tel: 0579-85187530, 13566970345

features:

- four line connection, the indoor machine and the indoor machine can intercom.
- belt lock function. Anti oxidation and wear resistant surface treatment with
- Aluminum Alloy outdoor machine, durable.
- outdoor machine can display the household name or number, and have LED indicator light.
- high quality circuit, clear voice intercom.
- effective intercom distance of 100 meters (4X0.3mm cable).
- easy to install, users can install their own.

Effective distance: connecting line

line diameter 0.5mm = distance of 150 meters

line diameter 0.75mm = distance of 250 meters

performance parameters:

- RL-3203AA as the doorbell and 3 Road, with any 1 Phone Intercom, indoor can call any other 1 telephone and intercom, secret communication.

- door machine size: 157x108x46mm
embedded size: 149x100x28mm