ChunHee Wireless Intercom Doorbell for Home Apartment-1/2 Mile Long Range Intercomunicador Waterproof Electronic…

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Respond in Real-Time- You can speak directly to the visitors who approach your front door via this wireless intercom doorbell without having to get up and answer the door.
Expansion & Anti-theft- The wireless doorbell intercom is expandable, you can extend up to 20 intercoms. The outdoor wireless intercom transmitter is equipped with screws, allows you to fix it on the wall against anyone taking it away.
Anti-interference & Multifunctional- This wireless doorbell uses a wireless intercom to avoid being affected by WIFI disruptions, and it also will not interfere with other equipment in your home or those of your neighbors. Buy two receivers and use them as a set of walkie-talkies!
Long Range & Adjustment Sound- This wireless doorbell transmits at a distance of up to 1/2 Mile! Customize your doorbell with 14 kinds of chimes and 4 volume levels!
Built-in Rechargeable Battery- Rechargeable battery-powered indoor-outdoor intercom for home. The built-in intercom doorbell system is waterproof even in bad weather conditions like snow and rainstorms.
Tips: The using time of the indoor machine is 48 hours. We suggest that keep the indoor intercom stay in the charge station after use or charge the indoor machine once every 2 days.
AND PLEASE CHARGE THE INDOOR MACHINE AT LEAST 6 HOURS AFTER RECEIVEING IT TO ENSURE THAT THERE IS SUFFICIENT POWER TO USE!