Item Type: CSI interface camera_x000D_ Material: Synthetic cardboard_x000D_ Lens: 1/4 5M_x000D_ Focal Length: Approx. 3.29mm / 0.13in_x000D_ Aperture: 2.9_x000D_ Field Angle: 72.4 degree_x000D_ Connection Method and Connector Position: 90-degree vertical connector(the one beside the HDMI port). When connecting, the contact side faces the HDMI interface_x000D_ Software Use: _x000D_ 1. RPi firmware and raspi-config have been updated for the camera, please execute apt-get update_x000D_ 2. Select camera in raspi-config, start the camera driver in RPi firmware, and restart_x000D_ 3. Use command line programs raspivid and raspistill to operate the camera and capture video clips or images_x000D_ 4. The captured video clip needs to be played by mplayer_x000D_ How to Broadcast the Data of the Camera via Live Webcast: _x000D_ Through the nc command (ncat-Concatenate and redirect sockets), the input data of the camera is directly redirected to the network port for output_x000D_ Size of Flexible Cable: Approx. 15cm / 5.9in