Product Description0.3MP Security Camera System Night Vision Wi-Fi IP Camera Video Surveillance Built-in Microphone 2D Digital Noise Reduction 416KB SRAM + 4M PSRAMSpecification:Name: Wi-Fi IP CameraCPU: XR872ATNumber of cores: single coreMemory: 416KB SRAM + 4M PSRAMFlash: 4MBTF card: maximum support 128GB (not included)Operating System: for Free RTOSSimultaneous access users: 4Input: Built-in MicrophoneMain frequency: 384MHzPower consumption: 300mAh (infrared); 150mAh (infrared)Infrared irradiation distance: 3-5 metersWorking temperature and humidity: -10~50, humidity: less than 95% (non-condensing)Sensor chip: GC0308Focal length: 2 metersAngle: 50Display resolution: 640*480P (30W)Day and night switching mode: day and night switchingDigital Noise Reduction: 2D Digital Noise ReductionVideo compression standard: MJPEGVideo compression code stream: code stream 640*480P 12 framesAudio compression standard: G711UAudio Transmission: RecordingStorage interface: TF card (maximum 128GB)Power interface: Micro USB interfaceWireless standard: IEEE802.11b/g/nFrequency range: 2.4 GHz ~ 2.4835 GHzChannel bandwidth: support 20MHzSecurity: 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSKHotspot connection distance: maximum 15-20 metersProduct size: about 71*71*101mm/2.80*2.80*3.98 inchPlease allow 1-2cm measuring deviation due to manual measurement.Included1*Host1*Power Cable (1M)1*Adhesive1*Instruction