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    Wireless Intercom Doorbells for Home Classroom, 2-way Voice Intercom 2.4GHz Mini Portable Wireless Doorbell Interphone System Clear Voice Home Security Easy Install

    • Dual-Way Intercom: When someone press the call button on outdoor unit, the indoor bell will ring immediately for reminding you. You can press the response button to talk with the people outside. It is very convenient to answer the doorbell of the visitor at any distance from the room
    • One-to-Many Connection Method: The indoor bell is equipped with an indoor bell. By learning its code, an outdoor bell can be paired with N indoor bells without disturbing each other. The perfect combination allows you to communicate with visitors outside the door
    • 200 M Wireless Range: 2.4GHz signal ensures stable and smooth transmission. The effective transmission distance can be up to 200 meters. This doorbell ensures you to hear and answer the doorbell in time, you will always be easily informed when someone is calling from outside, never worry about missing visitors
    • Simple Installation & Expansion: Simple and elegant, ultra mini size ensure perfect portability and easy installation, s
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    Description: This is a portable doorbell system for home, factory, hotel, market, and more. Built-in microphone and speaker allow super sound quality for dual way communication. Simple and small design, easy to use.

    Specifications

    : Indoor Machine
    Voltage Range: 5V USB Direct Power Supply Indoor BellOutdoor BellPower Supply 4 x AAA Batteries (NOT Included. ) Input Interface Micro USB Wireless Frequency 467.6375MH z Transmission Distance 300m 5 ~ 50m Working Time > 6 Months 48h Working Temperature -20 ~ 55 Size Approx. 100 * 60 * 16mm / 3.9 * 2.4 * 0.6 in Approx. 100 * 60 * 16mm / 3.9 * 2.4 * 0.6 in Package Size Approx. 170 * 120 * 25mm / 6.7 * 4.7 * 1.0 in Package Weight 150g
    Package List: 1 * Indoor Bell 1 * Outdoor Bell 2 * Glue 1 * Screw Driver 1 * User Manual

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