Feature 1Color screen display, high definition, easy to read and convenient to use. 2Depth reading from 2.0 to 131.2ft in 0.3ft precision. 3Bottom contour and water temperature indicator, practical to use. 410 levels sensitivity setting, automatic and manual selection of depth range. 5Automatic zoom and shortcut keys manual zoom, allows to lock screen freely. 6Users can customize measuring units: meters or feet. 7With big/small fish identification and depth indicator. 8Fish sentiment and depth sound alarm, depth alarm set range: 1-36 meters/3.3-118.1ft. 9Wireless transmitting/receiving frequency: 433 MHz, the maximum receiving distance of wireless signal is up to 100 meters/328.1ft. 10125KHz sonar frequency, which has stable performance. 11The host and sonar are powered by built-in lipo battery and equipped with USB charging cable. The charging voltage is 5V. 1217 menu languages: English, Chinese, Japanese, French, Korean, Russian, German, Dutch, Swedish, polish, Finnish, Greek, Spanish, Italian, Danish, Czech, Portuguese.Condition: 100% Brand NewItem Type: Fish FinderMaterial: ABSModel: FF288WSignal Reception Distance: Approx. 100m/328.1ftDetection Depth: Approx. 40m/131.2ftDetection Angle: 90 Probe Battery: Built-in Rechargeable Battery Host Battery: Built-in Rechargeable BatteryAvailable Time on Full Charge: 8HMenu Languages: English, Chinese, Japanese, French, Korean, Russian, German, Dutch, Swedish, Polish, Finnish, Greek, Spanish, Italian, Danish, Czech, PortugueseScreen Size: Approx. 2.4 x 40 x 50mm/0.1 x 1.6 x 2inSonar Frequency: 125khzDisplay Type: Color ScreenWireless Transmitting/Receiving Frequency: 433 MHzDepth Alarm Set Range: 1-36 meters/3.3-118.1ft .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Fish Finder Screen1 x Probe2 x USB Charge Line1 x English Instruction1 x Hanging Rope