The high performance BOGEN Door Phone Analog Door Phone ADP1 features a remote, weather-resistant, hands-free, two-way terminal device for telephone systems. The unit is powered by standard telephone line designed to be suitable for any indoor and 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.

• Adjustable call timeout (15 seconds to 2 minutes)
• Adjustable microphone and speaker volumes
• Pushbutton initiates the call at remote locations
• Secure entry access to commercial, industrial, or residential locations
• Suitable for indoor or outdoor station, door, or gate communications 
• Two way hands-free communication

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