Product Features
• Supports both keypad and up to three auto dialer switches
• Includes a single Auxiliary Device Relay to remotely control an external device ( e.g.: security camera ).
• Auxiliary Device Relay is closed whenever the telephone is off-hook.
• Provision of a supplementary power supply will increase the speaker volume capability from 82 dB to 85 dB at 0.5 meter.
The Standard Speaker Phone Kit