Features: 1. Wide Depth Range for Exploration: This sonar fish finder offers a depth range of 0.6-36 meters (2.5-120 feet), allowing you to explore various depths and underwater environments efficiently. 2. Reliable RF and Bluetooth Connectivity: With a 2.4GHz RF frequency and a Bluetooth distance of up to 30 meters, this slient sonar fish detecto ensures a stable and reliable connection between the detector and your smartphone or other compatible devices. 3. Accurate Sonar Frequency and Radiation Angle: The sonar frequency of 125kHz provides accurate detection and imaging of underwater objects. The 90-degree radiation angle enhances coverage and increases the chances of detecting fish or other targets effectively. 4. Long Battery Life and Wide Temperature Range: With a battery life of up to 10 hours, this boat depth fishing fish finder allows for extended usage without worrying about power depletion. It is also designed to withstand temperatures ranging from -10 to 60 degrees Celsius, ensuring reliable performance in various weather conditions. 5. Versatile Application in Different Water Environments: Specification: Origin: Mainland China Material: ABS Color: Yellow Size: 68mm x 68mm x 50mm / 2.68in x 2.68in x 1.97in Depth: 0.6-36M (2.5-120FT) RF Frequency: 2.4GHz Bluetooth Range: 30M Sonar Frequency: 125kHz Battery Life: 10 hours Operating Temperature: -10 to 60°C Sonar Beam Angle: 90 degrees