SP200 SonarPhone T-Box Permanent Installation PackDual 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°) skimmer style transducer and temp sensor. The Skimmer style transducer can be mounted externally on the transom of your boat for high speed use or internally in fiberglass hulls, but you will lose the temp sensor option for in-hull installations.Also, included in the SP200 package is a 12V car plug/USB adaptor for powering your tablets or re-charging your phones.Features:Compatibility: iOS 4.3 (iPhone, iPad) and Android 2.0Free App downloadAutomatic RangingWater Temperature & Depth IndicatorAudible Alarms for Fish, Shallow and Low BatteryFish IconZoom Bottom TrackNoise RejectionSurface ClarityBattery Indicator1-year warrantySpecifications:Depth Range Max: 240' (73M)Depth Range Min: 2' (0.6M)Sonar Frequency: 200/83KHz Duel BeamCone Angles: Dual Beam 20° or 40°Sonar Power: 12V DC powerAudible Alarms: Fish, Shallow, Low BatteryOperational: -20 - 80°CWireless distance: 100 Yards (90M)WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.