This is a portable fish finder, specifically designed for convenient one-handed use. Its screen displays crucial information such as the depth and temperature of the water, providing you with an approximate location and size of fish schools. This device simplifies the process of finding an optimal fishing position, enhancing your overall fishing experience. Features: This fish finder, designed for versatility, can be used on an ice layer, allowing you to effortlessly determine the water"s depth. Its screen provides valuable information about the approximate location and size of fish schools, simplifying the task of finding an ideal fishing spot. The device comes equipped with a two-color fish bait light, designed to attract phototactic fish and gather schools, enhancing your fishing success rate. Whether you"re fishing from a kayak, off the dock, or engaging in ice fishing, this portable fish finder is your perfect tool. Additionally, it offers the convenience of switching the depth measurement unit between feet and meters, catering to your individual preference. Specifications: Material: Plastic Monitor size: 4.7*1.8cm Depth range: 0.8-90m Sonar frequency: 200KHz Sonar radiation angle: 45 degrees Working temperature: -20 degrees C~50 degrees C Working current: 200mA Power supply: 1500mAh lithium polymer battery Product size: 19.7*5.4cm/ 7.8*2.1in Package size: 23.8*8.5*6.5cm/ 9.4*3.3*2.6in Package weight: 500g/ 17.6oz Package List: 1 * fish finder 1 * lanyard 1 * charging cable 1 * instruction manual 1 * battery