flexible smartphone compatibility : Works with prize IOS and android devices, WI-fi connectivity-2.4 GHz or 5 GHz Wi-Fi : Makes it simplified to link with your home radiocommunication network download the Ring app to view footage and receive alerts on your mechanized device : You can an eye on your home and speak with visitors, all from a far location platter fisheye high-definition video : Maintain a unfrosted view of your home 's entrance for optimum security, optional cloud recording lets you view footage at a advanced time automatically platter footage and receive alerts when motion is detected : Motion sensors let you know when someone is at your door night vision : unseeable led 's allow you to platter footage, even in wispy lighting, see and speak with visitors : 2-way auditory communication with noise cancellation with crystal unfrosted 1,080 p HD video.Connects to existing doorbell wiring -LRB- wiring required -RRB-, so you never have to charge a battery.