Description: The Outlife wireless fish finder is portable, affordable and reliable for anglers to find out the location and the sizes of fishes, depth and bottom contour of underwater. This device features a frequency sonar system with LCD screen for powerful performance up to 120 feet. Fish alarm design allows you to instantly capture the fish without watching the float for a long time. Features: Multifunctional and practical fishing helper With this smart fish finder, you can easily get the information about the depth and the condition of the sea, fish depth scale and fish size distinguish, water temperature, fish and depth alarm, etc. Also can be used at night White LED backlight design for clear display at night Specification: - Powered by 4 x AAA batteries (Battery not included ) - Sonar: 125KHz wireless / red - Wireless power input: 0.1W - Depth range: 2 - 120 feet / 0.6 - 45m - Wireless operating range: 100m - Sonar frequency: 125KHz - Sonar beam angle: 90 degree - Radio frequency: 433.92MHz - Operational temperature: -20 - 70 Package includes: 1 x Fish Finder Detail pictures: