Compact and lightweight design Weighs 230 g and measures 68 mm x 68 mm x 50 mm, making it portable for all fishing trips. Its small size and low weight simplify transport and storage without sacrificing performance. Fish location assistance Provides quick, actionable data to identify where fish are swimming by displaying water depth and water temperature at a glance. Helps reduce waiting time and guesswork, so you can cast where it matters. Advanced sonar technology 125 kHz sonar with a 90degree radiation angle delivers reliable performance to depths of 36 m (120 ft). The broad beam helps you cover more water and spot potential catches with consistency. Efficient power usage Up to 10 hours of battery life on a single charge, enabling extended daylong fishing trips without frequent recharging. Ideal for lengthy sessions away from power sources. Use scenarios Lake or reservoir day trip with a small boat, kayak, or shore setup: use depth and temperature readings to locate fish and structure, then optimize your casting spots for higher chances of success. Unfamiliar waters scouting: deploy the device to quickly map depth variations and temperature patterns, helping you decide where to fish before you start casting. Extended river or backwater outings: rely on the long battery life to sustain a full day of locating fish schools and planning targeted casts without concern for power.