Aiphone IE-2AD Chime Tone Single- or Double-Door Intercom System Master Handset with Door Release Button, Supports up to Two

Features :

• Master handset for single or double-door intercom system works with door intercoms and sub-master handsets (sold separately) to enable audio communication with visitors prior to authorizing access
• Handset accepts up to two sub-master handset connections to extend coverage to multiple rooms or over large areas
• Slim handset provides privacy when communicating with the door intercoms and with connected sub-master handsets
• Door release button controls an electric strike (sold separately) to remotely unlock the entrance for a visitor
• Two- or four-tone chime with adjustable volume and LED indicator alert the master intercom operator to a visitor call

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