This mini camera fits in a chewing-gum wrapping paper for the best video surveillance (with sound) one can imagine!Insert a TF card into it and you're ready for the action. Slide the camera in your shirt pocket and here we go.Once you are done recording, retrieve the TF card and insert it into your PC. Or simply connect the camera to your PC with the provided USB cable. Then you can watch, archive or edit the videos. One of the best spy products.No Internal MemoryExternal Memory: MicroSD Card (8 GB max)Record Format: AVI (640x480)15 FPSBuilt-in microMax Range : 3 meters (audio: 2 meters)Built-in Li-ion Battery (USB port)''Hold'' buttonDimensions: 73mm x 20mm x 11mm