Attention: Welcome to my shop! We ship the product from China, the delivery time is 7-14 days!Specification:Operating Frequency Range : ISM 2400MHz-2483.5MHzTransmitting Power : 17dBm MaxMonitor Sensitivity : -88dBmType of Spread Spectrum TX : FHSSType of Modulation : GFSKDate Rate : 3MbpsTransmission Range : About 10-50 meters at home , Max 100 meters outdoor without block .Operating Temperature Range : 0 -+40 degreeOperating Humidity Range : 85% RHEnvironment Rating : Home use device onlyReceive LCD ( Parent Unit )Display Type Size : 4.3 inch TFT LCDResolution Pixels : 480*272 RGBViewing Angle : H : 80 Degree , V: 100 DegreePower Requirement : DC 5V 1A power plug , 3.7 V Li-polymer batteryCamera ( Baby Unit )Image Sensor Type : 1/3 color CMOS image sensorEffective Pixels : H 640:V 480Lens : EFL=3.6mm , F=2.8Viewing Angle : 70 DegreeIR Night Vision : IR 7 pieces LEDs , IR cut max 5 metersPower Requirement : DC 5V 1A power plugIntercom : Built-in Microphone / Speaker Features:Digital RF modulation with frequency hopping. Dynamically select clean channels to avoid interference from other 4GHz devices. Baby camera with temperature detection function and real-time display in the LCD Monitor. Support music player,play sleeping music to help baby to sleep. Date privacy protect(suppor user ID recognition). With high resolution 4.3" LCD display screen. Bidirectional transmitssion and suport data encrypt.. Night Vision(Effective range:5m). Built-in microphone in camera & speaker in receiver. Built-in Li-Battery with receiver and camera. Up to 100mtransmission range in open space.4.3 inch bigh TFT display screenSupport two way intercomIR night visionBuilt-in songs help baby sleepTemperature monitoring, support Celsius and FahrenheitPackinglist:1 X Baby Monitor2 X Power Adapters1 X User Manual