Wireless Doorbell Intercom 433MHz Non-visual Building Smart Intercom Doorbells for Home Real-Time Two-Way Communication One-Button Operation Electronic Doorbell Chime Loud and Clear Sound for Home Off

Features:
【Real-Time Two-Way Communication】: This wireless intercom doorbell offers real-time two-way communication, providing a secure and private conversation with anti-interference features. It's perfect for both home and office use, ensuring you never miss a visitor or important delivery.
【One-Button Operation】: With a simple one-button design, this doorbell makes it easy to call, answer, and end conversations. After 1 minute of conversation, the call will automatically end, making it convenient and efficient for quick interactions.
【Loud and Clear Alerts】: The doorbell features a flashing light and ringtone alert that lasts for 20 seconds, ensuring you're aware of any visitors. With a ringtone volume of 108 decibels, it's louder than a typical smartphone ringtone, so you won't miss any calls.
【Long-Lasting and Convenient Power】: The outdoor unit has a battery life of 6 months, assuming 5 presses a day and 1 minute of conversation per press. The indoor unit plugs into a 5V1A power adapter, ensuring it never runs out of power. The installation is easy, with the outdoor unit simply sticking to the wall with adhesive.
【High-Quality Design and Long Range】: The buttons are made of a plastic and silicone structure, with a high-gloss UV finish for a high-end look and feel. The intercom has a tested range of 100 meters, making it suitable for buildings with up to 4 floors. Plus, the indoor units can call and communicate with each other, adding an extra layer of convenience.

Specifications:
Communication Method: Full duplex intercom
Power Supply Method: A rechargeable lithium battery for the outdoor unit, and a 5V1A power adapter for the indoor unit
Working Temperature: -20 ° C to 55 ° C
Transmission Distance: About 100 meters in open space, 5-20 meters in partition walls, floors 1-4
Working Frequency: 433MHz
Working Hours: The outdoor unit is recharged once, and the working time is about 6 months
External Battery Capacity: 1000mAh
Charging Time: Approximately 3 hours when the external unit is fully charged
Music Ringtones: 5 ringtones
Product Color: Black, White (optional)
Product Size: 68 * 70 * 27mm/2.7 * 2.8 * 1.1inch

Note:
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
Please allow slight manual measurement deviation for the data.

Package List:
1 * Outdoor Machine
1 * Indoor Machine
1 * Instructions
1 * Screwdriver
1 * USB Data Cable