No Wiring & App Remote OperationDoorbell camera with chime supports 2.4G WiFi, covering more areas in your house (5GHz WiFi not supported).100% wirefree, easy to mounts in any spots you like.Aiwit can be downloaded in app store, compatible with iOS and Android.Offer online customer service via Aiwit app for your any issue. Clear 2-way Audio Built-in microphones and speaker with automatic echo elimination, fuller and more stable sound, keeps calls clear even in noisy environments, used both to talk to the your visitors or warn the uninvited people. HD Clear IR Night Vision 1080P resolution combined with the 166 super wide-angle lens enables the wireless doorbell to clearly record the movement of the front door without missing every key picture.which also has the same excellent performance in night vision mode. Multi-user sharing and Indoor Chime includedThe doorbell supports 1 master account and 8 shared accounts, share your device in app or through email or QR code to your family or friends.There is also an indoor chime included. When someone rings your video doorbell, you will hear the door bell ringing when you are home. Intelligent and PortableThe doorbell can be controlled by APP, automatical work model, intelligent and portable. Portable in size and weight, convenient to install and remove