Item Type: CSI interface camera Material: Synthetic cardboard Lens: 1/4 5M Focal Length: Approx. 3.29mm / 0.13in Aperture: 2.9 Field Angle: 72.4 degree Connection Method and Connector Position: 90-degree vertical connector(the one beside the HDMI port). When connecting, the contact side faces the HDMI interface Software Use: 1. RPi firmware and raspi-config have been updated for the camera, please execute apt-get update 2. Select camera in raspi-config, start the camera driver in RPi firmware, and restart 3. Use command line programs raspivid and raspistill to operate the camera and capture video clips or images 4. The captured video clip needs to be played by mplayer How to Broadcast the Data of the Camera via Live Webcast: Through the nc command (ncat-Concatenate and redirect sockets), the input data of the camera is directly redirected to the network port for output Size of Flexible Cable: Approx. 15cm / 5.9in