Replacement Telephones. Older telephones of other brands can be replaced.
Replacement phones can substitute most standard phones of other brands, both of the buzzer and electronic varieties, as well as older Fermax models.
This allows the equipment can be updated without affecting the rest of the system (outdoor panel or wiring).
It is made of high-strength ABS plastic, has textured finish for easy cleaning, and ultraviolet protection for greater light resistance.