1. Automatic loop recording, built-in 200mAh battery, can record for 2 hours. 2. Ultra-mini and lightweight, easy to carry, can be used as a small sports dv. 3. Aluminum alloy shell, suitable for all kinds of extreme outdoor adventures. 4. Built-in 2.0 large aperture high-quality photosensitive element, equipped with high-definition image sensor, improve image quality and clarity. 5. Cooperate with OTG to connect the mobile phone or connect directly to the computer without driver, support WIN system, plug and play. 6. Supports up to 256GB large capacity micro-SD/TF cards, except TF cards. Equipped with multiple XYisstream cam mounts, you can mount it on your bike, car, helmet, arm...or any other flat surface. 7. Scope of application: driving recorders, mountain bikes, water restrictions, aviation restrictions, snow and ice restrictions, mountaineering, travel and other outdoor sports. Specifications: Type: action camera Lens: 5 million pixels Angle: 120 degrees A high-resolution ultra wide angle Video lens format: avi Picture mode: 1080p (30fps) mode, resolution 2592 * 1944 Picture format: JPG Shooting time: 2 hours Video resolution: 1280 x 720p (60) HD 1920 * 1080p (30fps) Storage: TF card supports up to 256GB (not included) USB interface: 2.0 Power interface: 5V Built-in battery capacity: 200mAh Microphone: built-in black color