3.2/4.3/5/5.5 inch video baby monitor 1.RF2.4GHz FHSS digital technology, no APP no WiFi, plug and play, easy to use 2.Display with larger capacity rechargeable battery 5000mah, longer standby up to 20hours 3.Long transmission distance: 300m/1000ft 4.Large screen: 3.2/4.3/5/5.5 inch; 1920 1080p HD display; camera: 1920 1080p, high definition on both display and camera ends  5.Screen can be paired up to 4 cameras 6.Sound alarm 7.Temperature alarm Celsius / Fahrenheit can be set 8.Low power alarm, out of range alarm 9.Five lullabies 10.Feeding reminder 11.PTZ rotation :Horizontal 0-355 ,and vertical 0-120 12.Infrared night vision: Invisible 940 LEDs to protect babies eyes 13.Two way talk 14. multi languages 15.VOX function, ECO mode 16. Volume/brightness adjustable 17.Exquisite gifted packaging