[2.4GHz Wi-Fi connection is not 5ghz] - smart doorbell, just download the app and connect to the phone with 2.4GHZ WIFI, our device can connect to Wifi even outdoors or through multiple walls, the connection transmission is reliable and the signal is strong. It is compatible with iOS and Android. [Motion Detection and Night Vision] - the doorbell will send you a message when someone enters in front of the doorbell camera. It is equipped infrared sensors and LEDs that allow you to take photos and record videos day or night. Keep your home safe at night. [Video Intercom & Free Cloud Storage] - You can watch and talk to visitors on your phone and tablet anytime, anywhere, and stream video or voice more clearly with noise reduction and Flow matching technology. Free Cloud Storage with Banking Protection Level. (7 days of circular storage) [Simple Installation Method] - The smart doorbell supports two mounting methods: the first is to stick directly on the wall with matching double-sided