Specification:Item Type: Bike Motorcycle Helmet CameraMaterial: Aluminum AlloyWeight: Approx. 540g / 19.0ozLens: 18MPShooting Angle: 120 DegreeRecording Video: 3840 x 2160Video Format: MP4Photo Resolution: 5376 x 3024Photo Format: JPGStorage Card: Micro Memory Card, Maximum Support 256G (Shipped without Battery)Battery Type: Lithium Battery, 1600mAh (Shipped with Built in Battery)How to Use：1. Download and install the for Viidure APP.2. Press and hold the power button for about 5 seconds. The camera will vibrate once, and the green light will stay on, indicating that the camera is in standby mode. Then, press and hold the WIFI button to switch to WIFI mode. The yellow light will flash slowly, indicating that the camera is ready to connect.3. Open the mobile APP and go to the WIFI settings on your phone. Connect to the WIFI network with the name starting with CAMH68 and the password 12345678.4. After successfully connecting to WIFI, the yellow light will stay on. Open the APP and click on the camera icon in the middle to start using the camera.Package List:1 x Sports DV1 x USB Cable1 x Fixed Bracket1 x Helmet Bracket1 x Bicycle Bracket1 x User Manual1 x Reset Pin1 x Waterproof Charging Cable1 x Eight Shaped Clip