- Provides door intercom (or room monitoring) for four speakers, plus remote unlocking for four doors.
- Unlocking requires separate power supply and lock mechanism ("door strike").
- Intercom requires KX-T30865 or similar door speaker.
- It fits into a dedicated slot inside the 824.
- Easy installation.
- It can also activate a standard door bell or chime (power supply not included).
- FREE SHIPPING in the USA.