Wireless & Wired: The fish finder supports max 328ft wireless operation and max 147ft water depth detection for wireless mode. The depth detection range can be up to 328ft in when you switch to wired mode. There is a 25ft/ 7.62 m extension cable and an anti-fish bite plastic float comes with the wired transducer. The handheld fish finder is USB rechargeable design by a built in lithium battery.
Sonar Transducer with Attractive Lamp: The sonar transducer works with 125Khz in a 90 degrees beam angle. The wireless fish finder will alert when the sonar ball detects fish or fish schools. Even more, you will get alarm when it detects shallows. You can put the replacement transparent cap on the sonar ball which will be glowing in the dark, so you will easy to know where the sonar ball is when night fishing.
Ideal for Fishing: LUCKY ice fish finder is widely applied in ice fishing, kayak fishing, boat fishing and bank fishing. The fish finder and its sonar transducer can be working for 5~6 hours continuously after fully charged. Once the battery save mode is turned on, it could be working even longer than 10 hours.