• Videx 0 Button DDA Friendly Intelligent Speaker Unit v-4838
• This audio speech module offers excellent functionality with ease of installation and better user feedback by providing visual and acoustic reassurance signals during the process of a call. The module can be used in the following modes, either 4+1 or 5+1 where it is possible to have privacy of speech.
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• The module also includes a useful local door bell facility and can be used with the 311x range of telephone or if privacy of speech is required, with the 312x range of telephones.
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• Features:
• Built-in relay for electric lock or gate
• Push to exit input
• DDA friendly call status with LEDs (Busy-Red, Calling-Red, Speak-Yellow, Open-Green)
• Technical Specifications:
• Number of buttons: 0
• Lock output: Dry contact (C, NO & NC) timed (Programmable)
• Power: 12Vdc
• Systems: 4+1 & 5+1
• Push to exit input: Yes
• Call reassurance tones: Yes
• PLEASE VIEW THE PICTURES CAREFULLY AS THEY DO! MAKE UP PART OF THE ITEMS DESCRIPTION 
• PLEASE NOTE WE ARE A REGISTERED EBAY BUSINESS SELLER, 
• OUR OPERATING HOURS ARE 
• MONDAY - FRIDAY
• 8:30AM - 5 PM 
• ANY MESSAGES OUTSIDE OF OPERATING HOURS MAY HAVE A DELAY IN RESPONSE 
• ALL BIDS AND PURCHASES MUST BE MADE THROUGH THE EBAY PLATFORM.
• MESSAGES ASKING TO CUT FEES OUTSIDE EBAY WILL BE IGNORED & REPORTED