The Caldwell Ballistic Precision Long Range Target Camera has a one mile range that delivers live streaming HD video footage of your target to your smart phone or tablet through Caldwell's free app. This app allows you to view live streaming HD video take pictures record video and even calculate your group. The rechargeable lithium ion battery provides you with up to 6 hours of use. If a more permanent setup is desired an external power jack is provided for hook up to an alternative power source. A premium storage case is included for safe-keeping of the entire system. The Caldwell Ballistic Precision LR Target Camera will become one of your best friends on the shooting range and you won't want to leave home without it.