Key features of the mbp853 35 large colour tft lcd screen 24ghz fhss digital transmission wifi connectivity via hubble app remote hd 720p video streaming rechargeable battery parent unit room temperature monitor infra red night vision eco mode with voice activation 300 degree viewing angle two way communication visual sound level indicator lullabies easy installation secure data encryption 300 meter range with out of range alert remote pan tilt amp zoom free hubble a