Wireless 3.5 inch LCD Digital video Baby MonitorFeatures:3.5" COLOR TFT SCREEN:Super clear picture shows real-time video and audio, 2.4GHz wireless technology prevent signal drop outs. View angle adjustable and easy to install.PAIR WITH 4 CAMERA:One monitor can pair with 4 camera, parents can select which camera to monitor or scan the camera one by one.2 WAY TALKBACK & CLASSIC LULLABIES:You can hear your baby and let baby hear your voice with super clear sound. 4 soft music to soothe your baby at night and auto stop in 40 minutes.AUTO INFRARED NIGHT VISION:The Infrared Night Vision will automatically start in dim light, providing clear video even in dark room.TEMPERATURE MONITORING:Temperature monitoring helps you observe the baby room temperature and alert with beep when the temperature is over 30. Brightness adjustable & Energy saving function.CE & FCC Approved.ParametersSystem General:1.Operating Frequency Range: 2400 MHz-2483.5 MHz2.Transmitting Power: 17dBm Max3.Monitor Sensitivity: -88dBm4.Type of Modulation: GFSK5.Transmission range: Outdoor 100m(Eye of Sight). Indoor use only.Wireless Camera:1.Image Sensor Type: 1/3 Color CMOS Image Sensor2.Effective Pixel: H:640,V:4803.IR LED Type/Night Visoin: 8pcs IR LED-850nm/5m4.Power Requirement: DC 5V; Camera not built-in battery.5.Other Special Feature: Built in Microphone/SpeakerWireless Monitor:1.Display Type/Size: Color TFT 3.52.Resolution(Pixel): 320*240(RGB)3.Number of Camera: Support Up to 4 cameras4.Power Requirement: Adapter DC 5V10% Battery:3.7V Li-polymer