Videx 2 Button 3000 Series Audiophone with Electronic Call Tone

The 3111 audiophone incorporates a 3 level electronic call tone input, lock release button and spare service button. For use on traditional 3+1 and 4+1 audio systems including 4K series, 8K series, VR4K series and VR120 series audio kits.

Features

• Includes lock release button and spare service button.
• 3 level electronic call tone input.
• Manufactured from impact resistant ABS plastic.

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