Wireless Doorbell, Sanzuco Doorbells Hands Free Communication, Full Duplex Waterproof Door Bell 1000 Feet Range Rechargeable Wit

This Wireless Doorbell Is A Full Duplex Intercom Doorbell That Provides Two-Way Real-Time Communication In Hands-Free. ? The Lithium Battery In This Wireless Doorbell Has A Strong Battery Which Can Charge Over 500 Times. For The Transmitter, The Battery Can Be Used For 4 Months In Each Charge And The Battery In The Receiver Can Be Used For 12 Day In A Single Charge. ? Due To Its 1000 Feet Reliable Wireless Range And High Signal Penetration, Press The Outdoor Transmitter When A Visitor Arrives, And The Doorbell Receiver Will Ring To Let You Know That A Visitor Has Arrived. This Full-Duplex Intercom Wireless Doorbell Allows You To Talk To Visitors Anywhere, Such As Home/Office/Classroom. ? The Stereo Speaker In This Wireless Doorbell Produces Rich & And Crisp Sound And 4 Adjustable Volume Of Ringtone. The Doorbell Ring Can Allow You To Hear The Sound In Any Place And Situation. The Output Human Voice From The Doorbell Will Also Be Very Clear And Easy To Hear Due To A Sensitive Sensor That Has An Accurate Transmission Of Human Voice. How To Use: Out Of The Box, We Have Set Up A Wireless Doorbell In Advance For The Convenience Of Customers. Package List: 2 X Indoor Receiver 2 X Outdoor Transmitter 2 X Cable & Charging Brick 2 X User Manual 2 X Double Sided Tape