A building entry security system which includes an entry door station, master/inside station and related handsets, both hands-free and non hands-free, which incorporates two way audio and color visual communication between the person(s) on the inside and the outside of the door. The system includes related access control devices, lights, letterboxes, call buttons, microphone and loudspeaker and the units come in various colors

'access':52 'audio':30 'build':2 'button':58 'call':57 'color':32,68 'come':65 'communic':34 'control':53 'devic':54 'door':10,47 'entri':3,9 'free':20,25 'hand':19,24 'hands-fre':18,23 'handset':16 'includ':7,50 'incorpor':27 'insid':41 'letterbox':56 'light':55 'loudspeak':61 'master/inside':12 'microphon':59 'non':22 'outsid':44 'person':37 'relat':15,51 'secur':4 'station':11,13 'system':5,49 'two':28 'unit':64 'various':67 'visual':33 'way':29

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