1. The shell is made of plastic to prevent falling 2. Start recording with one click 3. Simultaneously record and charge. Circular recording 4. Car driving recorder, sports DV, law enforcement instrument 5. Supports 8GB to 256GB TF cards This CS09 sports camera has ultra clear 4K image quality and synchronous recording function. This camera requires a high-speed memory card to be inserted in order to function properly.The video recorded by this camera is played on a computer and requires a computer screen. For example, if your computer's screen resolution is lower than 2K, the visual effect will naturally not achieve the expected effect. But watching on mobile applications is not affected. 180 degree rotating camera and 150 degree ultra wide angle Synchronize system time Built in WIFI hotspot, supports close range connection (about 10 meters), does not support remote control Attention: 1. Please read the manual before using this product! 2. Please charge the camera for 1 hour for the first time. Colour:Black Material:Plastic Package Contents: 1 * mini sports camera 1 * Charging cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.