• External & Internal Bell: Our bell has an external bell and an internal bell. By learning the code to pair the external bell with the internal bell, you can pair one external bell with N internal bells without interfering with each other.
• Function: Our wireless voice doorbell, talk to visitors through two-way voice , you can know who is visiting your home, talk to them, let them know that I am going, please wait, the speaker can be adjusted, the sound is clear, you can Use as a mobile phone.
• Stable Signal: This doorbell has a stable signal and super penetrability, wireless long-distance up to 200M-strong and stable signal transmission in a large house, covering a range of up to 200M (barrier-free , Accessible).
• Low Power Consumption: Low power consumption, standby time for outdoor range hood up to six months. The outer cover is powered by 4 alkaline batteries, the battery is easy to replace, and the inner cover is powered by a , which is also very convenient for charging.
• Easy To Install: The doorbell is easy to install and can be fixed to the wall using adhesive tape. It will be installed quickly and will not take too long.

1 Piece Indoor Unit 1 Piece Outdoor Unit 1 Piece Screwdriver 2 Pieces Double-sided Adhesive 1 Piece USB Charging Cable 1 Piece User Manual(English)