SunsbellPortable Wireless Fish Finder Sonar echo Sounder 70m 230Ft Dot Matrix Fishing Finder

Specifications:
Display: Large Adjustable 128 x 64 Dot Matrix FSTN LCD
Display Size: 41 (W) x 48 (D) mm (1.61' x 1.89' inch)
Backlight: on/off White LED
Wireless Frequency: 433 MHz
Sensor Operating Frequency: 125 kHz
Wireless Sensor Coverage: 90 degrees beam angle
Depth Range: 0.6 ~ 40 Meters (2 ~ 120 Feet)
Wireless Operation Range: 70 Meters (230 Feet)
Water Temperature Sensor: Included in Wireless Sonar Sensor
Bottom Contour: Show true changing of water bottom contour
Memory: Built-in memory stores sonar setting when the unit is turned off
Waterproof design: IPx6 / Level 6
Power (main unit): 4 x AAA alkaline batteries (not included)
Power (wireless sensor): 1 x 3V CR2032 Button Cell Battery
Weight: 300g

Package include:
1 x Professional Dot Matrix Wireless Fish Finder
1 x Wireless Remote Sonar Sensor
1 x External Antenna
1 x Neck Strap
1 x 3V CR2032 Button Cell Battery for Sensor
1 x instruction manual