The SJCAM SJ4000 Air has full HD resolution recording at 1920×1080. Wide Dynamic Range (WDR) allows you to Capture warm and vivid Picturesque scenes with the SJ4000. It detects motion to make your movie clips sharp and exciting. The SJ4000 Air focuses on image quality and affordability. Although not waterproof out of the box, it comes with a 98' waterproof housing, which is also used to attach the camera to one of the several mounts included, such as the helmet mount. One of the recording resolutions is 720p at up to a high frame rate of 120 fps for achieving professional-like slow motion in editing. It features a built-in mic and speaker, a microSD card slot for recording, and built-in Wi-Fi for connecting to the companion iOS/Android SJCAM app. The mobile app allows you to control select functions of the camera remotely as well as set up time-lapse sessions and use other creative tools. This action camera has a removable battery that runs approximately 70 minutes when recording Full HD 1080p video. The battery is rechargeable by connecting the camera to a USB power source using an included cable. The USB port is also used for offloading your photos and videos to your computer for storage, editing, and sharing. The SJCAM SJ4000 Air has no warranty.