Home > News > Visual doorbell door how to do
Visual doorbell door how to do
2012-10-08 08:35:55

 

The doorbell door appeared in wired doorbell, the doorbell rang the home, or the whole area of the doorbell rings together, this kind of problem, should be the host system to cause a problem, you can find the doorbell provider repair, can also contact with the manufacturers, or replaced with new doorbell.

Wireless video doorbell typically do not appear to string together door case, because radio visual doorbell using the 2.4G wireless transmission technology, each machine has a separate frequency bands, safety and stability are better than wired doorbell.


  [Return Home] [Print] [Go Back]   

Contact Us

  • Contact Person:

    DongGuang HongZhao Innovation Electronic Co., Ltd.
  • Tel:

    0769-83532821
  • Fax:

    0769-86969800
  • E-mail:

    hongzhao@hongzhao-china.com