Worldwide customers can order on Amazon.com with discount price.
Expandable, outdoor unit only
it's useless without indoor unit, this product works via set includes outdoor unit and indoor unit. please note that.
[Simple Installation & Expansion!] Secure this outdoor doorbell chime to your door or wall with the included screws for ultimate security. The wireless intercom doorbell is expandable, so you can extend nearly any indoor or outdoor system, even to a set of 2 transmitters and receivers each!
[Long Range & Easy Sound Adjustments] This wireless doorbell transmits at a distance of up to 1/2 Mile! Customize your doorbell with 20 kinds of chimes and 3 volume levels!
[100% Satisfaction Guaranteed] Love it or your money back! We provide a 2-year quality warranty and lifetime service for our intercom doorbell. Please feel free to contact us if you have any questions or concerns about your purchase.
[Anti-interference & Multifunctional] This doorbell doubles as an FM wireless intercom doorbell that won’t be affected by WiFi disruptions! It also won’t interfere with your other smart devices. Buy two receivers and use as a set of walkie-talkies, or use the mute mode on the indoor intercomunicador to turn off the unit when you want silence.
[IPX55 Waterproof and Built-in Rechargeable Battery] The Wuloo intercom doorbell is waterproof even in bad weather conditions like snow and rainstorms. Features low power consumption, built-in 2000mA battery, and an included charging base! Full battery lasts 4-6 months for the transmitter, and indoor machine lasts 1-2 days on a full charge.
Range:1/2 Mile (2600 Feet);
Code: 3 codes adjustable;
Charge Power:DC 5V 1A, equipped with rechargeable batteries;
Working time:Outdoor unit--6 months after full charged, Indoor unit--24 hours after full charged. the indoor unit keep on the charge stand as usual;