3.5 Inch Wireless Digital Video Baby Monitor Night Vision Security Monitoring|baby Monitors Redmiter@ The product is shipped based on the color or size of the main image of the product page. 3.5 Inch Wireless Digital Video Baby Monitor Night Vision Security Camera Temperature Monitoring|Baby MonitorsParametersSystem 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