Smart Portable Depth Fish Finder with Wireless Sonar Sensor walkin stick Rotational speed ratio: 5

Rotational speed ratio: 5

98mm when shrinking

Model Number: RR7531

better casting to avoid fishing lines knooting

Smart Portable Depth Fish Finder with Wireless Sonar Sensor walkin stick Rotational speed ratio: 5Power Source: No. 7 Battery Language: English Sonar Frequency: Two Modes: Cable: 200Khz, Wireless: 125Khz Detecting Range: 0. 6 30 Meter Sonar Coverage: as description Power Input: DC 10 18V type: Wireless Remote Sonar Sensor Size: 12. 5*7. 5CM Operational temperature: 20 70 Deg. C 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