· Click [Snapshot] in real-time preview interface and it will prompt "Saved to album"

  · The screenshot is saved in the mobile phone, and can be viewed in the APP-[Profile]-[Album]-[Image]

  · Android phones can search for saved screenshots in the local album of the mobile phone

  · On the real-time preview interface, click the "cut to the previous/next page" icon to preview other devices without exiting the real-time preview, and you can switch directly to the preview screen of the corresponding page

  · Click the four-screen icon on the real-time preview interface, you can switch single-screen or four-screen

  · Playing loading device on four-screen is arranged by the order of the device list

  · Click "cut to the previous/next page" icon to switch the list of device previews

  Note: Multiple-lens devices don't support this function

  · In the real-time preview interface, the default definition is SD mode, and the default sound mode is silent

  · After changing the definition or sound mode on the real-time preview interface, it will return to the default state next time. This default state cannot be modified

  · It may be environmental noise or device noise

    1) The camera and phone are not in the same space. In the real-time preview interface, turn on the [speaker] to avoid echo interference during testing. The camera and phone are in the same space, which may cause howl

    2) If you hear a loud "squeak" or "da da" sound, please try to replace the device's power plug and cable and try again

    3) If the above operation does not work, it may be a problem with the microphone of the device. Please contact the seller for after-sales service

  · The camera supports "Two-way audio" function, similar to a walkie-talkie, and does not support simultaneous intercom. In the real-time preview interface, long press and hold the [Speak] icon in the screen to speak, and the camera will make a sound

  1) Confirm that the phone system sound and the sound function in the APP real-time preview interface are turned on (off by default, you can click the icon in the interface to turn it on)

  2) Try to use other phone to connect the device

  3) WiFi devices can try to connect in AP hotspot mode, if there is a sound when preview in AP hotspot mode, it is generally a network problem, please check the router network connection

  4) If it still doesn't work after trying the above methods, the sound pickup of device may be damaged. Please contact the seller for after-sales service

  1) Confirm that the APP microphone permission has been turned on

  2) Try to use other mobile phone talkback

  3) Try to click [Alarm] in the real-time preview interface to test whether the device could make a sound. If it could, but there is still no sound during intercom, please try to restart the device

  4) WiFi devices can try to connect in AP hotspot mode, if there is a sound during intercom in AP hotspot mode, it is generally a network problem, please check the router network connection

  5) If it still doesn't work after trying the above methods, the speaker of the device may be damaged, please contact the seller for after-sales service