product description Frequency:2.4GHz FHss Data Rate:4 Mbps Power Adapter:100-240VAC 5060HZ LCD Screen:5.0 HD TFT LCD(1280x720px) xAuto Infrared Night Vision Channel bandwidth: 3.3758MHz Transmission Range: UP to 960 feet or 300 meters (Open space - No obstructions) Input Voltage 5V 1A Rechargeable battery (pre - installed in parent unit): Model YB905560, 3.7V, 4000mAh Transmition Power: 18DB Image sensor type: 1 or 4andquot color CMOS IR LED type: 940nm Operation Enviroment: Indoor use only: temperature: 32-104 or 0-40 Humidity: 5 percent -90 percent rh(relative humidity) x5.0 inch HD screen,more bigger, see better xTaIk to the baby,Two way Interaction xTemperature monitors the temperature of the babyand 39 s room.with alerts when itand 39 s too cold or too hot. x360anddeg panoramic preview of the room,full coverage and no blinf pot,wonand 39 t miss any details of the baby Package included: 1 x 5 Inch SM50 Baby Monitor