1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specifications Model Wireless Voice Intercom Doorbell System Indoor Unit Dimensions 3 54 x 2 75 x 5 78 inches Outdoor Unit Dimensions 2 16 x 1 18 x 4 15 inches Operating Temperature 4°F to 140°F Power Supply Rechargeable batteries Volume Levels 8 adjustable settings Chimes 4 selectable options Features 1 Extended Range Communication Experience seamless communication over long distances making it ideal for various environments such as homes teahouses hospitals and for elderly care 2 Full Duplex Functionality Enjoy clear simultaneous two way communication ensuring that you can talk and listen without interruption 3 Adjustable Volume Control Customize your experience with 8 different volume levels catering to any environment and personal preference 4 Weather Resistant Design Built to operate in extreme temperatures from 4°F to 140°F ensuring reliability in any weather condition 5 Easy Installation Includes both double sided tape and screws with wall plugs for versatile and hassle free setup options Package Included Type 1 To 1 1 x English Manual 1 x Outdoor Unit 1 x Indoor UnitorType 1 To 2 1 x English Manual 1 x Outdoor Unit 2 x Indoor UnitNote The plug type is CN Plug
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