GreatCool Waterproof Action Camera 16mp Hd 4k Sony Cmos Sensor 2.0 Inch LCD 173 Wde Angle Lens With 2 Batteries YouTubehttps://www.youtube.com/watch?v=3OrrOv2EspEhttps://www.youtube.com/watch?v=54YWlh7cTNc Diameter 25mm 4K 16MP Sony CMOS Sensor with 173 wide angle Lens Great 2.0 inch LCD Display Screen to view real time HD pictures and videos Double Improved rechargeable batteries, double recording time and double enjoyment Built-In WIFI:At any time to share photos and videos of 4K 16 million pixels to facbook, MSN