86888793
Jan 27, 2016
May 2, 2017
Electric doorbells, namely, wireless video doorbells that allow users to answer from user mobile phones, electronic doorbells equipped with a motion sensor, electric doorbells equipped with a camera, electric doorbells equipped with a wireless communication module; Computer software for use with electric doorbells, namely, mobile application software installed on a mobile phone for communicating with electric doorbells
Electrical and Scientific Apparatus