1.WIFI connection, no wire needs, achieve a two way intercoms between the doorbell and mobile phone.Real-time mobile phone, support Single-way calls, photos, recording, caring for your family makes you more secure,support 2.4G WIFI (Not support 5G Wifi)2.Disassembly free cycle charging, built-in 800MAH lithium ion high-capacity battery, more than 6 months of normal use,Charging time 1.5 hours3.Two-way audio: communicate with visitors through single-way audio,With noise cancellation microphone. It is weather resistant,You can monitor your front door by watching real-time video4.Easy installation: download the APP and connect it to the doorbell. No wires and cables are required.No matter where you are, You can the information