1 Wireless operating range: 130ft/40m 

2  Fish alarm 

3  Selectable sensitivity 

4 Fish depth scale 

5 Sonar battery replaceable 

6  Color TN LCD 

7  Sensor IPX-7 Water-resistance design 

8  Back lighting: Colorful LED backlight 

9 Sonar beam angle: 90 degree 

10  Depth range: 2-130Ft/0.7-40m 

11 Sonar frequency: 110KHz 

12) Radio frequency: 433.92MHz 

13 Operational temperature: from -20℃~70℃ 

14 Power: 4 x AAA batteries (not included) 

-Sensor power: CR2032 battery (included) 

15 Display size: 38 x38mm 

16 Size: 125 x 68 x 29mm