?This digital baby monitors set allows you to watch your baby with a portable receiver. Unlike with traditional analogue systems£¬ this digital baby monitor set can dynamically and automatically select best frequency for video and audio transmission. This means you can see good quality video and audio without interference including WiFi. The wireless signal can be kept private from other wireless device to ensure security. The monitor has LEDs with night vision function so that you can monitor your baby in any time even in complete darkness.                                    Features                Digital baby monitor kit<br>    Interference-free<br>    4 channels£¬ support 4 cameras for one monitor<br>    Portable parent unit<br>    Video to see your baby with 2.4" LCD color screen<br>    Infrared night vision<br>    High sensitivity microphone<br>    2-way communication<br>    VOX function<br>    Rechargeable battery<br>    Belt clip on receiver£¬ it is easy to take and use<br>                                                            Specifications            General    <br>Transmission Frequency    2400MHz - 2480MHz    <br>Transmission Power    12dBm    <br>Operating Frequency    2450 MHz    <br>Unobstructed Effective Range    250m    <br>Modulation Mode    FHSS    <br>Operating Temperature    0¡ã - 60¡ã    <br>Storage Temperature    25¡ã    <br>Operating Humidity    20% - 80% RH    <br>Adapter Cable Length    151cm / 59.45inch    <br>AV Cable Length    120cm / 47.24inch    <br>Camera    <br>Imaging Sensor Type    1/4 CMOS    <br>Picture Total Pixels    510 x 492 (NTSC)    <br>Horizontal Resolution    360 Lines    <br>View Angle    60¡ã    <br>Minimum Illumination    1.5 Lux    <br>Band Width    4 MHz    <br>Night Vision Range    3 ~ 5 m (9.84 ~ 16.4 feet)    <br>Battery Working Time    8 hours    <br>Motion Detection Distance    &gt; 5m    <br>Sound Control Sensitivity    &gt; 60 dBA    <br>Consumption Current    150mA + 15mA    <br>Power Supply    DC 5V    <br>Battery Supply    3 x 1.5 V AAA Alkaline Batteries (not included)    <br>Frame    25    <br>Dimension (Camera)    Approx. 8.6 x 8.6 x 10 cm / 3.94 x 3.39 x 3.39 inch (L x W x H)    <br>Receiver    <br>LCD Screen    2.4 inch (6.1 cm) TFT LCD    <br>Effective Pixels    320 x 240    <br>Receiving Sensitivity    -85 dBm    <br>Video System    NTSC    <br>Battery Working Time    5 hours    <br>Color Configuration    R.G.B    <br>Consumption Current    150mA + 15mA    <br>Power Supply    DC 5V    <br>Dimension (Receiver)    Approx. 7 x 5 x 12 cm / 2.76" x 1.97" x 4.72" (L x W x H)    <br>                                                            Package Includes                1 x Wireless Camera<br>    1 x Wireless Monitor<br>    1 x AV Cable<br>    2 x Power Adapter<br>    1 x Users Manual<br>