SP200 SonarPhone T-Box Permanent Installation Pack. Dual Beam Wi-Fi Fishfinder Technology You Can Share With Friends. The SP200 Permanent Mount system is designed for installation in boats with easy access to a 12 volt power supply not included . As the name implies, SonarPhone turns your smart phone or tablet into a fully functional sonar system that will rival any high end sonar on the market today. Using Patented WiFi signal technology to transmit to smart phones or tablets. You don't need cell phone coverage to use it, the SonarPhone will work anywhere in the world. The SonarPhone T-BOX creates its own WiFi hotspot and you can share your signal with as many people as you wish, the software App is downloaded for free from the App Store or Google Play and works with both Android and IOS systems. With the powerful SP200 T-Box system, you can reach depths of 240' with a 200kHz, Dual-Beam 20/40 Degrees skimmer style transducer and temp sensor. The Skimmer style transducer can be m Dual Beam Wi-Fi Fishfinder Technology You Can Share With Friends. The SP200 Permanent Mount system As the name implies, SonarPhone turns your smart phone or tablet into a fully functional sonar syste Also, included in the SP200 package is a 12V car plug/USB adaptor for powering your tablets or re-ch Compatibility iOS 4.3 iPhone, iPad and Android 2.0. Free App download Automatic Ranging Water Temperature Depth Indicator Audible Alarms for Fish, Shallow and Low Batte