• Detecting Range: 0.6-73 Meter
• Sonar Frequency: Wireless: 125Khz
• Power Source: No. 5 Battery
• Language: English
• Sonar Coverage: 90 degree
• Power Input: AAA
• Language: English
• Battery: 4 x AAA batteries
• Wireless power input: : 0.1W
• Depth range: 2 - 120 feet / 0.6 - 45m
• Sonar: 125KHz wireless / red
• Sonar beam angle: 90 degree
• Radio frequency: 433.92MHz
• Operational temperature: -20 - 70 Deg.C
• Package weight: 0.414 kg 
• Package Size(L x W x H): 25.00 x 11.00 x 8.00 cm / 9.84 x 4.33 x 3.15 inches
• Package Contents: 1 x Wireless Remote Sonar Sensor, 1 x Wireless Receiving 
• Host, 1 x Manual ( English ), 1 x Charge Cable, 1 x String, 1 x Antenna

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
• Fish Size Distinguish
• Fish and Depth Alarm
• Water Temperature
• Also can be used at night
• White LED backlight design for clear display at night
• Powered by 4 x AAA batteries ( not included )

Parameter: 

• 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 Deg.C