Warm Tips: 1. Our video camera set has been equipped with a 32G SD card, please format it before use,, maximum support for 128GB SD card 2. Please fully charge the battery and microphone, and make sure that the microphone and audio recording function are turned on. 3. When all cameras are used as web cameras, and
focus range: 3.3 ft ~ infinity. 4. If the video camera is not recognized by the computer due to system compatibility issues, please link us. 5. Please read the instruction manual carefully before use.