Optical sensor: CMOS 4K 16.0 megapixel with interpolation; Viewfinder: 2 in. TFT (220 x 176); Memory card support: microSD(TM), micro SDHC(TM) (maximum of 32 GB); Video format support: motion JPEG (MJPEG); Video resolution: 4K 3840 x 2160 @ 25 fps (interpolated), 1920 x 1080 @ 30 fps (real); Image format support: 16.0 megapixel JPEG (interpolated); Lens: f/2.2, f=3.6 mm; Field of view: 170?; Protection rating: dustproof and waterproof up to 98 ft. (IP68); Wireless network: Wi-Fi(R) 802.11b/g/n; Companion app: Sportlook; Computer interface: USB (micro Type B); Output: micro HDMI(R); Power source: rechargeable battery (900 mAh), USB charge (DC 6-volt, 1 amp); Battery life: up to 2 hours; Includes mounting accessories pack, USB charging cable and user manual;