IR-105E (IR105E) is an economical 4-wire apartment intercom station for new construction, where new wiring is used. Minimal depth makes for a particularly easy and attractive installation. The large 2 0.5", .3 W, 45 Ohm speaker provides superior voice quality audio reproduction. Contemporary styling, featuring stark white color and pleasing lines, compliments most decors. Advanced circuitry and simple pushbutton operation make this the perfect station for use in large or small buildings. New Braille legends, in addition to English language and symbol legends make this station easy to operate by all.