<b>JOYLOG smart sonar fish finder integrates high-precision miniature sonar system which can detect the location, size, depth and other underwater fish feelings <br>within the range of 40m underwater, as well as underwater topographic map, water depth, water temperature and other information. JOYLOG APP enables <br>you to grasp the underwater dynamics in real time on your mobile phone.</b><br><br><b>Green Attracting Fish Lamp: </b><br>The bottom of the device is equipped with four green lights, which can attract fish with phototaxis.<br> <b>USB Smart Charging, Convenient and Quick:</b><br> The Joylog smart fish finder is charging when its bottom is red and turns green after fully charged. A power bank is enough to replenish energy for the fish finder.<br> <b>Suitable for a variety of portable equipent, convenient and fast:</b><br> Joylog App can support the various brand cellphones with iOS system and Android system, which is convenient for you to adjust fishing equipment according to <br>your preferences.<br> <b>Simplify operation/ adapt to different water environment:</b><br> The fish finder is turned on automatically once it meets water, it will start working immediately and transmit the fishing information to Joylog APP in real time.<br> It can provide stable support in different water areas, including pits, reservoirs, rivers, lakes, coasts,etc., bringing you excellent intelligent fishing experience.<br><br> <b>Specification</b><br><br> <b>Brand: </b>JOYLOG <br> <b>Color: </b>White<br> <b>Package Size:</b> 4.3*4*2.7 inch<br> <b>Size：</b>Diameter 2.6 inch<br> <b>Net Weight: </b>0.19 Ib<br> <b>Gross Weight: </b>0.51 Ib<br> <b>Battery Capacity: </b>3.7 V, 1000mAh<br> <b>Sonar Frequency:</b> 125KHz<br> <b>Detection Angle: </b>30︒<br> <b>Detection Depth:</b> 1.96 ft-131 ft<br> <b>Working Temperature: </b>- 20℃-70℃<br> <b>Communication Mode:</b> Bluetooth<br> <b>Communication Range: </b>164 ft<br>