LUADS Door Phone Speaker
The Bogen LUADS Door Phone Speaker is a remote weather-resistant hands-free two-way terminal device for telephone systems. The unit is powered by standard telephone line and is designed to be suitable for any indoor or outdoor applications. Its Auto-Answer feature allows for remote audio monitoring of the area where the unit is located. The unit also includes an adjustable and defeatable call timer and can respond to forward disconnect signals. It comes with adjustable microphone and speaker volume levels.
Full specifications (PDF)
Manufacturer part number: LUADS