It is Iphone6 (plus) cell phone power bank camera. Its battery can last 8 hours. You don't need to worry about you have not enough time to gamble poker games. When its powers off, you can charge it. There are 2 frequencies on the camera, so you can adjust the camera frequency you need. And its scanning distance is 20-35cm or 40-60cm. Also, custom-make scanning camera lenses are available.