Feature:Product Name: 30w WiFi webcamCpu:xr872atNumber of cores: single coreMemory: 416kb SRA-M + 4-m PSRAMFlash:4MBTF Card: up to 128GBOperating system: free RTOSNumber of simultaneous access users: 4Input: built in microphoneMain frequency: 384mhzPower consumption: 300mAh (infrared on); 150mah (without infrared)Infrared irradiation distance: 3-5MWorking temperature and humidity: - 10 ℃ ~ 50 ℃, humidity less than 95% (no condensation)Sensor chip: gc0308Focal length: 2mAngle: 50 degreesDisplay resolution: 640x480p (30W)Day night conversion mode: day night switchingDigital noise reduction: 2D digital noise reductionVideo compression standard: MJPEGVideo compression code stream: 640x480p 12 framesAudio compression standard: g711uAudio transmission: recordingStorage interface: Micro SD card (up to 128GB)Power interface: Micro USB interfaceWireless standard: IEEE802 11b/g/nFrequency range: 2.4 GHz ~ 2.4835 GHzChannel bandwidth: 20MHzSecurity: 64 / 128 bit WEP, WPA / WPA2, wpa-psk / wpa2-pskProduct size:9x5.5cm/3.54x2.16 inchPackage Include: 1 x Host 1 x Power line 1 x Rubber pad 1 x Use manual Why can't devices be added to WiFi connection? Make sure that the device has been RESE-T to the factory settings before adding the device: long press the "res key" for 5 seconds to see that the indicator light flashes or the prompt tone is resetting and RESTO-RE the factory settings. In addition, the camera onl-y supports 2.4GHz Wi Fi signal. If the scene S-G is routed, Hao turns on the dual frequency mode of the router and selects 2.4G signal.