1、4GHZ Wireless Technology: The baby monitor takes advantage of enhanced 4GHZ wireless technology to prevent signal loss and has an unobstructed range of up to 900 feet. 2、Smart Function: Clear two way audio keeps conversations clear on both ends, as if you and your child are in the same room. Room temperature monitoring and alarms, night vision, lullabies, sound level LED indicators and audio only mode function. 3、2inch Display: The 2in screen shows your lovely baby body day and night in all directions, with excellent video and sound, night vision video is black and white, and the picture is clearly visible. 4、Screen Off: The monitor screen can be turned off and muted, allowing you to maintain the silence you need for rest, ensuring a quiet and good rest, while also saving power and more energy saving ro use. 5、Auto Screen On: When the screen is off, the camera is still monitoring the baby in the background, and the screen will automatically turn on when it picks up any sound through your VOX settings. 1 x Camera1 x Display2 x Adapter1 x Instruction Item Type: Baby MonitorMaterial: ABSDisplay Size: 2inColor: WhiteBattery: Built in lithium polymer battery 540mAhWireless Transmission: 2.4GHzCamera:Image Sensor: 0.3Mpix CMOSImage Pixel: 320x240pxlMinimum Illumination: 0Lux (when the IR light is on)Night Vision Distance: Approx.15ft/5mViewing Angle: 31° DiagonallyCharacteristic: 1. Two way intercom 2. Temperature monitoring 3. The camera has built-in music 4. Automatic night vision 5. Digital signal transmission, stable without interference