WHD VoiceBridge, Contactless, fully automatic intercom system, Speech intelligibility despite hygienic barriers, Smart solution for surgeries, shops, supermarkets or even visitor boxes in senior citizens' and nursing homes, Infrared sensors detect whether a person is standing in front of the unit, Microphones with AEC technology (Acoustic Echo Cancellation) and NR technology (Noise Reduction), Weight per microphone unit: 160 g, Dimensions: 86 x 111 x 18 mm, Colour: White, Incl. Power supply unit, 2 m mains cable and 1 m connection cable, Suitable battery: #507907# (not included)
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