Specifications: Display (LCD): 2.0LTPS Lens: 4K + 170°A wide-angle lens Language: English / German / French / Spanish / Italian / Portuguese / Chinese Traditional / Chinese Simplified / Japanese / Russian Resolution: 4K(4096x2160) 25fps & 1080P(1920x1080) 30fps; 720P(1280x720) 30fps; Video Format: AVI Video Compression Encoding: MJPG Resolution of Photos: 16M / 12M / 10M / 8M / 5M, @JEPG Storage: Support Micro SDHC,Class6 to Class10, Support Micro SD Card 4GB to 32GB (SD Card is Not Included) Shooting Modes: Single / Camera Timer (3s / 5s / 10s / 20s / 30s / 60s / Continuous Shooting) Loop recording: Support Frequency of Optical Source: 50Hz / 60Hz USB Interface: USB 2.0, micro HDMI (Type D) Power Source Interface: 5V/1A Battery Capacity: 3.7V 900 mAh Li-ion Battery Recording Time: 4K/ About 60 minutes, 1080P/ About 100 minutes of Each Battery Item Weight: 65g(Include Battery), 39g (Not Include Battery) Charging Time: About 3 hours Package Includes: 1 x 1080P HD Sports Action Camera 1 x Remote Control 1 x 900mAh Battery 1 x Waterproof Case 1 x Bicycle Stand 1 x Fixed Mount 1 x Helmet Mount 1 x Clip 1 x Base 1 x Switch Support 2 x Nylon Wrist Strap 1 x USB Cable (Only for Charging) Note: Please fully charge before using for the first time. Warm Tip: Micro SD card is Not included in the package. Micro SDHC Card of Class 10 is Highly Recommended for 4K Action Camera. Recommend to use max 32GB class 10 micro SD card, please format the SD card (not included) in the camera before using. Please charge the battery 2-3 hours,then it can be fulfilled 60-90min video recording regarding different video resolution. Q&A: 1. Can not connect wifi? ① Please format your Micro SD card (TF) at the beginning, then unzip the software (please test the first one first, if it doesn't work, test the second one then) to your SD card, and plug the SD card into the camera to turn it on. ② Please wait patiently, the camera will turn off automatically later. Then please take the SD card out, and turn the camera on to see if the same issue still happens. 2. Battery is not durable? Please charge it again for 3-4 hours.