36M deeper 2.4inch TFT LCD sonar fish finder

 Material: ABS
Display: 2.4inch TFT LCD White LED backlight
Battery: 3.7V 1000mAh
Continuous usage time: Up to 5 hours
Depth range: 0.6 – 36M
Built-in Water Temperature Sensor
Sonar frequency: 125KHz
Radio frequency: 2.4GHz
Sonar beam angle: 90 degree
Wireless operating range: 100m
Operating Temperature: -10 to 70 Degree Celsius
2 modes: sonar graphic mode and stationary float mode
10 level of sensitivity
11 level white LED backlight
6 depth range: 3, 6, 9, 18, 36, AUTO

Can set fish alarm, depth alarm, contrast, chart speed ( 10 grades ), fish display, unit ( depth: meter / feet; temperature: celsius / fahrenheit )
Water bottom contours and structure are showed in the middle as well as water depth, fish size, and location, etc.