Are you a professional angler and looking for a capable helper? If you pursue a high quality and high efficiency fishing experience, our LUCKYLAKER fish finder V Pro+ will be your best choice ever!! Advanced Single Beam Sonar Technology Equipped with a high-performance single beam transducer operating at 125 kHz with a wide 90° beam cone, this fish finder delivers comprehensive coverage beneath the surface. The system accurately detects bottom contours and fish locations across an impressive depth range from a shallow 2FT / 0.7M down to a maximum of 147FT / 45M. Multi-Mode LCD Display Bright LCD displays water depth, temperature, air pressure, battery, bottom contour, and fish icons with depth values. Three modes—general, shallow, and slope—adapt sonar scanning to any underwater terrain for accurate condition analysis and optimized fishing strategy. Compact Ergonomic Design Pocket-sized portable fish finder weighing only a handheld unit that fits comfortably in your palm or pocket. Features an ergonomic, non-slip design with intuitive button layouts for efficient one-handed operation while holding your fishing rod. Complete with a neck strap for hassle-free carrying during long fishing trips. Wireless Sonar Technology Wireless sonar transducer eliminates cable tangles—simply cast to detect fish schools. Delivers stable long-range wireless scanning with real-time underwater updates, fish depth/size icons, and responsive school alarms. All-Season Multi-Environment Versatility Compatible with sea, kayak, boat, shore, and ice fishing. Adapts to saltwater and freshwater. Ice fishing offers two modes: Direct in Water (post-drill) and Shoot-Through-Ice (pre-drill hole scouting). LUCKYLAKER fish finder can be used in different ways, such as canoe fishing, kayak fishing, pontoon fishing, Jon boat fishing, float tube fishing, ski jet fishing, row boat fishing, bank fishing, shore fishing, dock fishing, ice fishing, night fishing and so on. Detection Range Specification Display: 2.2inch LCD Frequency : 125kHz Detection angle : 90 degrees Reception Distance : 150m/492ft Transducer Power : CR2032 battery Detection depth : 45 m/147 ft Operating temperature : -10°C to 50°C /14 ℉ to 122℉ Powered by: 4 x AAA batteries (not included) Package Included 1x Fish Finder Handheld 1x Sonar Sensor 1x USB Charging Plug and Cable 1x Neck Strap