3.7V 1000mAh wireless fish finder with LED display                      

Material: ABS

Display: 2.4 inch TFT LCD White LED backlight

Battery: 3.7V 1000mAh

Continuous usage time: Up to 5 hours

Depth range: 0.6 - 36M

Built-in Water Temperauter Sensor

Sonar frequency: 125 KHz

Radio frequency: 2.4 GHz

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.