Smart Wifi HD Camera Night Vision Wifi Remote Wireless Video Camcorders Camera Feature:The internal microphone supports two-way audioSupports cards up to 128 GBSupports 2.4G HZ Wifi (Don't support 5G HZ WiFi)Supports mobile video surveillance (iOS, Android)Two-way audio: Real intercom, built-in microphone and speaker, instantly SHAR-E the wonderful moments in your life Video playback: Support mobile client video playback, view the information you want at any Product parameters:Product Name: 30w WiFi webcamCpu:xr872atNumber of cores: coreMemory: 416kb SRA-M + 4-m PSRAMFlash:4MB Card: up to 128GBOperating system: RTOSNumber of simultaneous 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 stream: 640x480p 12 framesAudio compression standard: g711uAudio transmission: recordingStorage interface: M-icro S-D C-ard (up to 128GB)Power interface: 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 size:10.1x7.1x7.1cm/3.97x2.79x2.79 inchGross weight:122g/0.26 lb The Package Include:1 x Host1 x Power line1 x Rubber pad1 x Use manual1. 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 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 frequency mode of the router and selects 2.4G signal 2. What if the display camera is disconnected? First CONFIR-M whether the power supply and network are normal, and then power off and restart the camera. If the line still drops restart, delete the camera in the app and add it again. Q: how to check if your camera is abnormally offline? 1. Check whether the power supply and network are normal 2. Reseat the power supply to restart the device 3. Reconfigure the camera 4. Check whether the network bandwidth at home is more than 4-M It is also necessary to insert memory card in the power-off state, otherwise it will cause crash