2.4 ghz fhss wireless technology * 2.8" color lcd screen and up to 25 fps * Infrared night vision and room temperature monitor and zoom * Five polyphonic lullabies, additional camera capability and five LED alerts for noise level * 200 meter range with "out-of-range" warning * In order to ensure proper functioning of night vision please make sure a light is not shining on the parent unit where the sensor is located as the unit will not know whether night vision is needed