Supplied in this package. Fish Finder with Portable Base, 500 m, Wireless Signal Box, Antenna for Attaching to Signal Box, Power Cable, Sonar Sensor, Alternative Battery Cable, User Manual Product features: Easy menu navigation setting to control the amount of details on the screen. Automatic and manual adjustment of the depth range zoom function. Automatic zoom adjustment to increase the area around the ground. Deep alarm. The alarm sounds in conjunction with the settings you make fish alarm and large/medium fish ID. Contrast Settings Unit Settings (Meter or feet, Fahrenheit and Celsius) Battery alarm Bottom View Settings Summer settings Light settings Other product features and specifications 1) Display: high-contrast FSTN LCD. 4-level grayscale, 160V x 132H 2) Operating frequency: 200KHz 3) Sonar coverage 45 degree 4) Depth capacity max/min: 100m or 100 meters: 0.7m 5) Wireless range: up to 500m 6) Temperature sensor included in the transducer. Fahrenheit and Celsius 7) Operating temperature: from -10 C to 50 C (14 F to 122 F) 8) Power consumption: 10 to 20 V DC / 8 AAA alkaline battery 9) Operation wireless frequency 433.92 MHz 10) Built-in memory stores sonar setting when the device is off.