Gebaut-in Sirene, Musik-player, Nachtsicht, Zwei-weg Audio, Sound Erkennung, Multi-languages, Feeding alarm, Digital privacy, Built-in Battery, Long Range, FHSS, VOX Mode, Long Battery Life, 2.4 GHz, Non-wifi, Wireless, Monitor pixels: 320*240, Stable signal, Indoor range up to 50m, Outdoor range up to 960ft