● with unlock function.
● aluminum alloy outdoor machine with anti-oxidation and wear-resistant surface treatment, durable.
● the outdoor unit can display the name or number of the resident, and has LED light indication.
● excellent side sound elimination circuit, intercom sound clear.
● effective intercom distance over 100 meters (6x0.3mm connection line).
● easy to install, users can install their own.

Line diameter 0.8mm = distance 150m

Line diameter 1.0mm = distance 250m

External dimensions :(H) 199 X (W) 116 X (D) 57 mm

Embedded size :(H) 165 X (W) 100 X (D) 40 mm