Features 2 4G wireless digital signal transmission more than 250 frequency hopping free from WIFI interference Digital signal encryption transmission good security Unobstructed transmission distance up to 200 meters partition wall distance of 30 meters 3 5 HD LCD screen the image display is clearer The monitor have built in batteries for more than 2H Built in baby sleeping lullaby can be controlled by the screen control camera Monitor with temperature display Celsius and Fahrenheit switching Baby monitor with two way intercom function Specification Transmission frequency ISM 2 400 2 483 MHz 4 frequency point Modulation method FM antennaCamera Omnidirectional antennaReceiver Built in hiddenTransmission distance 100mWorking temperature 10°C 50°C 14 122FStorage temperature 20°C 60°C 4 140FWorking humidity 85 RHCamera related parametersCamera sensor CMOSImage pixels 628 582 PAL 510 492 NTSC Viewing angle PAL 62° NTSC 46°Minimum illumination 1 5Lux F1 5Transmission power 80mWPower DC 5V 1ANight vision distance 5MSize 5 7cmx6 7cm 2 24 x2 64 Receiver related parametersReceiving sensitivity ≤ 85dBmLCD material TFTLCD ruler 3 5 Resolution 480 240Effective area 4 92cm 3 81cmPitch 0 1025mm 0 163mmViewing angle up down left right 10° 30° 45° 45° Min Brightness 250 cd m3Contrast 15 1Current consumption DC 12V 700mASize 8x8x5cm 3 15 x3 15 x1 97 Package includeds 1 x Monitor1 x Receiver1 x Power