4 GHz, Video resolution: 1280 x 720 (HD), Melodies: 8 Different, Night vision: Yes, View: 160 Degrees, Memory: SD card (NOT included), Shooting distance: 3 Meters, App: Smartwares View App, Charging: Via USB (included), Gtin: 8711658423555,.NOTE: The doorbell only rings via the app and no audio device is included for fixed mounting.