The Deeper Pro+ allows you to make detailed maps on the screen of your smartphone! The Pro+ has a connection range of 100 m and a maximum scanning depth of 80 m. The Deeper Pro+ features a dual beam frequency. The wide beam (90kHz 55°) can be used to make a map of large areas whereas the narrow beam (290kHz 15°) is best used for detail. The Deeper Pro+ has a sonar scan rate of up to 15 scans per second. The Wi-Fi connection is up to 10 times faster than the Bluetooth connection to ensure your receive all of your information in real time!